[Federal Register Volume 87, Number 72 (Thursday, April 14, 2022)]
[Proposed Rules]
[Pages 22153-22156]
[FR Doc No: 2022-07822]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2021-0511; Project Identifier AD-2020-01229-E]
RIN 2120-AA64

Airworthiness Directives; Williams International Co., L.L.C.
Turbofan Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Supplemental notice of proposed rulemaking (SNPRM).

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SUMMARY: The FAA is revising a notice of proposed rulemaking (NPRM)
that applied to certain Williams International Co., L.L.C. (Williams)
FJ44-2A, FJ44-2C, FJ44-3A, and FJ44-3A-24 model turbofan engines. This
action revises the NPRM by expanding the applicability, updating the
estimated costs information, updating the compliance time, and adding
an installation prohibition. This action also revises the NPRM by
updating the service information references. The FAA is proposing this
airworthiness directive (AD) to address the unsafe condition on these
products. Since these actions would impose an additional burden over
those in the NPRM, the agency is requesting comments on this SNPRM.

DATES: The FAA must receive comments on this SNPRM by May 31, 2022.

ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
     Federal eRulemaking Portal: Go to https://www.regulations.gov. Follow the instructions for submitting comments.
     Fax:<PHONE_NUMBER>.
     Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.
     Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
    For service information identified in this SNPRM, contact Williams
International, Product Support, 2000 Centerpoint Parkway, Pontiac, MI
48341; phone:<PHONE_NUMBER>; website: http://www.williams-int.com/product-support. You may view this service information at the FAA,
Chicago ACO, 2300 East Devon Avenue, Des Plaines, IL 60018. For
information on the availability of this material at the FAA, call (817)
222-5110.

Examining the AD Docket

    You may examine the AD docket at https://www.regulations.gov by
searching for and locating Docket No. FAA-2021-0511; or in person at
Docket Operations between 9 a.m. and 5 p.m., Monday through Friday,
except Federal holidays. The AD docket contains this SNPRM, any
comments received, and other information. The street address for Docket
Operations is listed above.

FOR FURTHER INFORMATION CONTACT: Kyle Bush, Aviation Safety Engineer,
Chicago ACO, FAA, 2300 East Devon Avenue, Des Plaines, IL 60018; phone:
(847) 294-7870; email: [email protected].

SUPPLEMENTARY INFORMATION:

Comments Invited

    The FAA invites you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under ADDRESSES. Include ``Docket No. FAA-2021-0511; Project Identifier
AD-2020-01229-E'' at the beginning of your comments.
    The most helpful comments reference a specific portion of the
proposal, explain the reason for any recommended change, and include
supporting data. The FAA will consider all comments received by the
closing date and may again revise this proposal because of those
comments.
    Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to
https://www.regulations.gov, including any personal information you
provide. The agency will also post a report summarizing each
substantive verbal contact received about this proposed AD.

Confidential Business Information

    CBI is commercial or financial information that is both customarily
and actually treated as private by its owner. Under the Freedom of
Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public
disclosure. If your comments responsive to this SNPRM contain
commercial or financial information that is customarily treated as
private, that you actually treat as private, and that is relevant or
responsive to this SNPRM, it is important that you clearly designate
the submitted comments as CBI. Please mark each page of your submission
containing CBI as ``PROPIN.'' The FAA will treat such marked
submissions as confidential under the FOIA, and they will not be placed
in the public docket of this SNPRM. Submissions containing CBI should
be sent to Kyle Bush, Aviation Safety Engineer, Chicago ACO, FAA, 2300
East Devon Avenue, Des Plaines, IL 60018. Any commentary that the FAA
receives which is not specifically designated as CBI will be placed in
the public docket for this rulemaking.

Background

    The FAA issued an NPRM to amend 14 CFR part 39 by adding an AD that
would apply to Williams FJ44-2A, FJ44-2C, FJ44-3A, and FJ44-3A-24 model
turbofan engines. The NPRM published in the Federal Register on June
25, 2021 (86 FR 33579). The NPRM was prompted by a report of cracks in
the high-pressure turbine (HPT) disk posts and failure of an HPT disk
post, resulting in the contained fracture of an HPT disk post and
blade. Williams initiated an investigation to understand the root cause
of the cracks and to determine the necessary corrective action.
Metallurgical evaluation showed cracking related to intergranular
oxidation related to HPT disk post metal temperatures.
    As a result of this investigation, Williams determined the root
cause of this cracking was due to higher HPT disk post temperatures and
a difference in manufacturing processes. Williams determined that these
cracks have only occurred on HPT disks with part number (P/N) 67093
installed on FJ44-2A or FJ44-2C model turbofan engines. Williams
subsequently published service information specifying procedures to
remove the HPT disk, P/N 67093. In the NPRM, the FAA proposed to
require removing the HPT disk, P/N 67093, from service before reaching
its new life limit and replacing it with a part eligible for
installation.

Actions Since the NPRM Was Issued

    Since the FAA issued the NPRM, Williams notified the FAA that
revised service information was available. The revised service
information, Williams International Service Bulletin (SB) WISB-72-1032,
Revision 2, dated June 4, 2020, adds additional serial-numbered FJ44-
2A, FJ44-2C, and FJ44-3A model turbofan engines to the effectivity and
updates the compliance time for replacing the HPT disk. The FAA
determined that the additional

serial-numbered FJ44-2A, FJ44-2C, and FJ44-3A model turbofan engines
are susceptible to the same unsafe condition. Therefore, the FAA
revised the applicability of this proposed AD to include FJ44-2A, FJ44-
2C, FJ44-3A, and FJ44-3A-24 model turbofan engines with an engine
serial number identified in paragraph 1.A., Effectivity, of Williams
International SB WISB-72-1032, Revision 2, dated June 4, 2020, with an
installed HPT disk, P/N 67093. In addition, the FAA revised the
estimated number of affected engines installed on airplanes of U.S.
registry from 213 engines to 242 engines, updated the compliance time
specified in Table 1 to Paragraph (g), and added an installation
prohibition paragraph to this proposed AD. Finally, the FAA revised all
references to the service information in this AD.

Comments

    The FAA received a comment from one commenter on the NPRM,
Williams. The following presents the comment received on the NPRM and
the FAA's response to the comment.

Request That the NPRM Reflect Current Service Document Revisions

    Williams requested that the NPRM be revised to reflect the
specified procedures of the current service document revisions,
Williams International SB WISB-72-1032, Revision 2, dated June 4, 2020,
and Williams International SB WISB-72-1034, Revision 3, dated July 2,
2021.
    The FAA agrees. The FAA has revised this proposed AD to include
Williams International SB WISB-72-1032, Revision 2, dated June 4, 2020,
and Williams International SB WISB-72-1034, Revision 3, dated July 2,
2021.

Other Differences Between This SNPRM and the NPRM

    In this SNPRM, the FAA has replaced the term ``life limit'' with
``defined life cycles,'' where appropriate. In this SNPRM, the FAA has
replaced all instances of ``resulting in the release of an HPT blade''
to ``resulting in the contained fracture of an HPT disk post and
blade.''

FAA's Determination

    The FAA is proposing this AD after determining the unsafe condition
described previously is likely to exist or develop in other products of
the same type design. Certain changes described above expand the scope
of the NPRM. As a result, it is necessary to reopen the comment period
to provide additional opportunity for the public to comment on this
SNPRM.

Related Service Information Under 1 CFR Part 51

    The FAA reviewed Williams International SB WISB-72-1032, Revision
2, dated June 4, 2020. This service information specifies procedures
for removing and replacing the HPT rotor assemblies that include HPT
disk, P/N 67093. The service information also provides instructions for
incorporating the latest HPT combustor/fuel slinger module on FJ44-2A
and FJ44-2C model turbofan engines. This service information is
reasonably available because the interested parties have access to it
through their normal course of business or by the means identified in
ADDRESSES.

Other Related Service Information

    The FAA reviewed Williams International SB WISB-72-1034, Revision
3, dated July 2, 2021. This service information describes procedures
for re-identifying the HPT rotor assembly and HPT disk.

Proposed AD Requirements in This SNPRM

    This proposed AD would require removing the HPT disk, P/N 67093,
from service before reaching defined cycle limits and replacing it with
a part eligible for installation.

Differences Between This SNPRM and the Service Information

    The Accomplishment Instructions, paragraph 2.D., of Williams
International SB WISB-72-1032, Revision 2, dated June 4, 2020,
specifies procedures for replacing or reworking the HPT combustor/fuel
slinger module on FJ44-2A and FJ44-2C model turbofan engines, while
this proposed AD would not mandate that action. The FAA has determined
that replacement or rework of the HPT combustor/fuel slinger module is
not necessary to resolve the unsafe condition in this proposed AD.
    The Accomplishment Instructions, paragraphs 2.C. and E. and 3.C.
and D., of Williams International SB WISB-72-1032, Revision 2, dated
June 4, 2020, specify procedures for removing and replacing the HP
turbine rotor assembly containing HPT disk, P/N 67093, whereas this
proposed AD would mandate removing and replacing the HPT disk, P/N
67093. Although removing the HPT rotor assembly is a necessary step in
the replacement of the HPT disk, this proposed AD only requires
replacement of the HPT disk to resolve the unsafe condition addressed
by this proposed AD.

Costs of Compliance

    The FAA estimates that this AD, if adopted as proposed, would
affect 242 engines installed on airplanes of U.S. registry.
    The FAA estimates the following costs to comply with this proposed
AD:

                                                                     Estimated Costs
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                Cost per      Cost on U.S.
                    Action                                             Labor cost                           Parts cost        product        operators
--------------------------------------------------------------------------------------------------------------------------------------------------------
Remove and replace the HPT disk..............  33 work-hours x $85 per hour = $2,805....................         $16,694         $19,499      $4,718,758
--------------------------------------------------------------------------------------------------------------------------------------------------------

    The FAA has included all known costs in its cost estimate.
According to the manufacturer, however, some of the costs of this
proposed AD may be covered under warranty, thereby reducing the cost
impact on affected operators.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. ``Subtitle VII: Aviation Programs''
describes in more detail the scope of the Agency's authority.
    The FAA is issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: General requirements.
Under that section, Congress charges the FAA with promoting safe flight
of civil aircraft in air commerce by prescribing regulations for
practices, methods, and procedures the Administrator finds necessary
for safety in air commerce.

This regulation is within the scope of that authority because it
addresses an unsafe condition that is likely to exist or develop on
products identified in this rulemaking action.

Regulatory Findings

    The FAA determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would not
have a substantial direct effect on the States, on the relationship
between the national Government and the States, or on the distribution
of power and responsibilities among the various levels of government.
    For the reasons discussed above, I certify this proposed
regulation:
    (1) Is not a ``significant regulatory action'' under Executive
Order 12866,
    (2) Would not affect intrastate aviation in Alaska, and
    (3) Would not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

The Proposed Amendment

    Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

    Authority:  49 U.S.C. 106(g), 40113, 44701.

Sec.  39.13   [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness
directive:

Williams International Co., L.L.C.: Docket No. FAA-2021-0511;
Project Identifier AD-2020-01229-E.

(a) Comments Due Date

    The FAA must receive comments on this airworthiness directive
(AD) by May 31, 2022.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Williams International Co., L.L.C. (Williams)
FJ44-2A, FJ44-2C, FJ44-3A, and FJ44-3A-24 model turbofan engines
with an engine serial number identified in paragraph 1.A.,
Effectivity, of Williams International Service Bulletin WISB-72-
1032, Revision 2, dated June 4, 2020 (the SB), with an installed
high-pressure turbine (HPT) disk, part number (P/N) 67093.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7250, Turbine
Section.

(e) Unsafe Condition

    This AD was prompted by a report of cracks in the HPT disk posts
and failure of an HPT disk post, resulting in the contained fracture
of an HPT disk post and blade. The FAA is issuing this AD to prevent
cracking and failure of the HPT disk posts. The unsafe condition, if
not addressed, could result in release of the HPT blade, damage to
the engine, and damage to the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified,
unless already done.

(g) Required Actions

    (1) For FJ44-2A and FJ44-2C model turbofan engines, within the
compliance times specified in Table 1 to Paragraph (g) of this AD,
remove the affected HPT disk from service and replace it with a part
eligible for installation using paragraphs 2.C. and E.,
Accomplishment Instructions--FJ44-2A & FJ44-2C, of the SB.
    (2) For FJ44-3A and FJ44-3A-24 model turbofan engines, within
the compliance times specified in Table 1 to Paragraph (g) of this
AD, remove the affected HPT disk from service and replace it with a
part eligible for installation using paragraphs 3.C. and D., of the
SB.
[GRAPHIC] [TIFF OMITTED] TP14AP22.043

(h) Installation Prohibition

    After the effective date of this AD, do not install onto any
engine an HPT disk with P/N 67093.

(i) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Chicago ACO, FAA, has the authority to approve
AMOCs for this AD, if requested using the procedures found in 14 CFR
39.19. In accordance with 14 CFR 39.19, send your request to your
principal inspector or local Flight Standards District Office, as
appropriate. If sending information directly to the manager of the
certification office, send it to the attention of the person
identified in paragraph (j)(1) of this AD.
    (2) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office.

(j) Related Information

    (1) For more information about this AD, contact Kyle Bush,
Aviation Safety Engineer, Chicago ACO, FAA, 2300 East Devon Avenue,
Des Plaines, IL 60018; phone:<PHONE_NUMBER>; email:
[email protected].
    (2) For service information identified in this AD, contact
Williams International, Product Support, 2000 Centerpoint Parkway,
Pontiac, MI 48341; phone:<PHONE_NUMBER>; website: http://www.williams-int.com/product-support. You may view this referenced
service information at the FAA, Airworthiness Products Section,
Operational Safety Branch, 1200 District Avenue, Burlington, MA
01803. For information on the availability of this material at the
FAA, call<PHONE_NUMBER>.

    Issued on April 7, 2022.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2022-07822 Filed 4-13-22; 8:45 am]
BILLING CODE 4910-13-P


[Federal Register: June 13, 2007 (Volume 72, Number 113)]
[Notices]
[Page 32632-32633]
[DOCID:fr13jn07-44]

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DEPARTMENT OF ENERGY

Federal Energy Regulatory Commission

[Docket No. RP99-301-160]

ANR Pipeline Company; Notice of Negotiated Rate Filing Amendment

June 5, 2007.
    Take notice that on June 1, 2007, ANR Pipeline Company (ANR)
tendered for filing and approval an amendment to a negotiated rate
agreement between ANR and Wisconsin Power & Light Company.
    ANR requests that the Commission accept and approve the subject
filing to be effective June 1, 2007.
    Any person desiring to intervene or to protest this filing must
file in accordance with Rules 211 and 214 of the Commission's Rules of
Practice and Procedure (18 CFR 385.211 and 385.214). Protests will be
considered by the Commission in determining the appropriate action to
be taken, but will not serve to make protestants parties to the
proceeding. Any person wishing to become a party must file a notice of
intervention or motion to intervene, as appropriate. Such notices,
motions, or protests must be filed in accordance with the provisions of
Sec.  154.210 of the Commission's regulations (18 CFR 154.210). Anyone
filing an intervention

or protest must serve a copy of that document on the Applicant. Anyone
filing an intervention or protest on or before the intervention or
protest date need not serve motions to intervene or protests on persons
other than the Applicant.
    The Commission encourages electronic submission of protests and
interventions in lieu of paper using the ``eFiling'' link at http://www.ferc.gov.
 Persons unable to file electronically should submit an

original and 14 copies of the protest or intervention to the Federal
Energy Regulatory Commission, 888 First Street, NE., Washington, DC
20426.
    This filing is accessible on-line at http://www.ferc.gov, using the

``eLibrary'' link and is available for review in the Commission's
Public Reference Room in Washington, DC. There is an ``eSubscription''
link on the Web site that enables subscribers to receive e-mail
notification when a document is added to a subscribed docket(s). For
assistance with any FERC Online service, please e-mail
<EMAIL_ADDRESS>or call<PHONE_NUMBER> (toll free). For

TTY, call<PHONE_NUMBER>.

Kimberly D. Bose,
Secretary.
[FR Doc. E7-11358 Filed 6-12-07; 8:45 am]

BILLING CODE 6717-01-P


[Federal Register Volume 84, Number 105 (Friday, May 31, 2019)]
[Rules and Regulations]
[Pages 25173-25175]
[FR Doc No: 2019-11298]

========================================================================
Rules and Regulations
                                                Federal Register
________________________________________________________________________

This section of the FEDERAL REGISTER contains regulatory documents
having general applicability and legal effect, most of which are keyed
to and codified in the Code of Federal Regulations, which is published
under 50 titles pursuant to 44 U.S.C. 1510.

The Code of Federal Regulations is sold by the Superintendent of Documents.

========================================================================

Federal Register / Vol. 84, No. 105 / Friday, May 31, 2019 / Rules
and Regulations

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2019-0410; Product Identifier 2018-CE-059-AD; Amendment
39-19644; AD 2019-10-05]
RIN 2120-AA64

Airworthiness Directives; Viking Air Limited (Type Certificate
Previously Held by Bombardier Inc.; de Havilland, Inc.) Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all
Viking Air Limited (Viking) Models DHC-6-1, DHC-6-100, DHC-6-200, DHC-
6-300, and DHC-6-400 airplanes. This AD results from mandatory
continuing airworthiness information (MCAI) issued by the aviation
authority of another country to identify and correct an unsafe
condition on an aviation product. The MCAI describes the unsafe
condition as occurrences of excessive wear of elevator cables at pulley
location station (STA) 270.3. The FAA is issuing this AD to require
actions to address the unsafe condition on these products.

DATES: This AD is effective June 20, 2019.
    The FAA must receive comments on this AD by July 15, 2019.

ADDRESSES: You may send comments by any of the following methods:
     Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments.
     Fax:<PHONE_NUMBER>.
     Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.
     Hand Delivery: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590, between 9 a.m. and 5 p.m.,
Monday through Friday, except Federal holidays.

Examining the AD Docket

    You may examine the AD docket on the internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2019-
0410; or in person at Docket Operations between 9 a.m. and 5 p.m.,
Monday through Friday, except Federal holidays. The AD docket contains
this AD, the regulatory evaluation, any comments received, and other
information. The street address for Docket Operations (telephone (800)
647-5527) is listed above. Comments will be available in the AD docket
shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Darren Gassetto, Aerospace Engineer,
Mechanical Systems and Admin Services Section, FAA, New York ACO
Branch, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590;
telephone:<PHONE_NUMBER>; fax:<PHONE_NUMBER>; email<EMAIL_ADDRESS>
SUPPLEMENTARY INFORMATION:

Discussion

    Transport Canada, which is the aviation authority for Canada, has
issued AD Number CF-2018-28, dated October 15, 2018 (referred to after
this as ``the MCAI''), to correct an unsafe condition for all Viking
(formerly Bombardier Inc.; de Havilland, Inc.) Models DHC-6-1, DHC-6-
100, DHC-6-110, DHC-6-200, DHC-6-210, DHC-6-300, DHC-6-310, DHC-6-320,
and DHC-6-400 airplanes. The MCAI states:

    There have been several occurrences of excessive wear of
elevator cables at the STA 270.3 pulleys. In one case the cable
failed in flight leading to an emergency landing. Viking Air Ltd.,
(Viking) has determined that excessive wear can be caused by a
damaged pulley. Elevator cable wear that is not detected can lead to
failure of the cable and loss of control of the aeroplane.

    The damage to the elevator control cable is caused by a dent on the
pulley on the inside bearing race that is not detectable by direct
visual inspection or rotation of the pulley without applied load. The
dent in the bearing race prevents free turning of the pulley under
certain load conditions, which causes rapid wear of the cable. The dent
is caused by wear over an extended period of time due to vibration
while the bearing is stationary. This AD requires inspecting the
elevator and rudder control cables for abnormal wear at pulley location
STA 270.3 and replacing any worn cables and the corresponding pulley.
You may examine the MCAI on the internet at http://www.regulations.gov
by searching for and locating Docket No. FAA-2019-0410.

Record of Ex Parte Communication

    In preparation of AD actions such as notices of proposed rulemaking
and immediately adopted final rules, it is the practice of the FAA to
obtain technical information and information on the operational and
economic impact from design approval holders and aircraft operators.
The FAA discussed certain aspects of this AD by email and in person
with Viking Air Limited. A copy of each email contact and a summary of
each discussion can be found in the rulemaking docket. For information
on locating the docket, see ``Examining the AD Docket'' in ADDRESSES.

Related Service Information

    The FAA reviewed Viking DHC-6 Twin Otter Service Bulletin Number:
V6/0062, dated July 31, 2017. The service information contains
instructions for inspecting the elevator and rudder control cables for
abnormal wear at pulley location STA 270.3 and replacing any worn
cables and the corresponding pulley.

FAA's Determination and Requirements of the AD

    This product has been approved by the aviation authority of another
country, and is approved for operation in the United States. Pursuant
to our bilateral agreement with this State of Design Authority, they
have notified us of the unsafe condition described in the MCAI and
service information referenced above. The FAA is issuing this AD
because we evaluated all information provided by the State of Design
Authority and determined the unsafe condition exists and is likely to
exist or develop on other products of the same type design.

FAA's Determination of the Effective Date

    An unsafe condition exists that requires the immediate adoption of
this AD. The FAA has found that the risk to the flying public justifies
waiving notice and comment prior to adoption of this rule because
failure of the elevator or rudder control cable in flight could result
in loss of control of the aircraft. Therefore, the FAA finds good cause
that notice and opportunity for prior public comment are impracticable.
In addition, for the reason(s) stated above, the FAA finds that good
cause exists for making this amendment effective in less than 30 days.

Comments Invited

    This AD is a final rule that involves requirements affecting flight
safety, and the FAA did not precede it by notice and opportunity for
public comment. The FAA invites you to send any written relevant data,
views, or arguments about this AD. Send your comments to an address
listed under the ADDRESSES section. Include ``Docket No. FAA-2019-0410;
Product Identifier 2018-CE-059-AD'' at the beginning of your comments.
The FAA specifically invites comments on the overall regulatory,
economic, environmental, and energy aspects of this AD. The FAA will
consider all comments received by the closing date and may amend this
AD because of those comments.
    The FAA will post all comments received, without change, to http://www.regulations.gov, including any personal information you provide.
The FAA will also post a report summarizing each substantive verbal
contact we receive about this AD.

Costs of Compliance

    The FAA estimates that this AD will affect 133 products of U.S.
registry. The FAA also estimates that it will take about .5 work-hour
per product to comply with the basic inspection requirement of this AD.
The average labor rate is $85 per work-hour.
    Based on these figures, the FAA estimates the cost of the AD on
U.S. operators to be $5,652.50, or $42.50 per product.
    In addition, the FAA estimates that any necessary follow-on
replacement action will take about 3 work-hours and require parts
costing $203 for a cost of $458 per product. The FAA has no way of
determining the number of products that may need these actions.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. ``Subtitle VII: Aviation
Programs,'' describes in more detail the scope of the Agency's
authority.
    The FAA is issuing this rulemaking under the authority described in
``Subtitle VII, Part A, Subpart III, section 44701: General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.
    This AD is issued in accordance with authority delegated by the
Executive Director, Aircraft Certification Service, as authorized by
FAA Order 8000.51C. In accordance with that order, issuance of ADs is
normally a function of the Compliance and Airworthiness Division, but
during this transition period, the Executive Director has delegated the
authority to issue ADs applicable to small airplanes, gliders,
balloons, airships, domestic business jet transport airplanes, and
associated appliances to the Director of the Policy and Innovation
Division.

Regulatory Findings

    The FAA determined that this AD will not have federalism
implications under Executive Order 13132. This AD will not have a
substantial direct effect on the States, on the relationship between
the national government and the States, or on the distribution of power
and responsibilities among the various levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive
Order 12866,
    (2) Is not a ``significant rule'' under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

Adoption of the Amendment

    Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
 1. The authority citation for part 39 continues to read as follows:

     Authority: 49 U.S.C. 106(g), 40113, 44701.

Sec.  39.13  [Amended]

0
 2. The FAA amends Sec.  39.13 by adding the following new
airworthiness directive (AD):

2019-10-05 Viking Air Limited (type certificate previously held by
Bombardier Inc.; de Havilland, Inc.): Amendment 39-19644; Docket No.
FAA-2019-0410; Product Identifier 2018-CE-059-AD.

(a) Effective Date

    This AD becomes effective June 20, 2019.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Viking Air Limited (type certificate
previously held by Bombardier Inc.; de Havilland, Inc.) Models DHC-
6-1, DHC-6-100, DHC-6-200, DHC-6-300, and DHC-6-400 airplanes, all
serial numbers, certificated in any category.

(d) Subject

    Air Transport Association of America (ATA) Code 27: Flight
Controls.

(e) Reason

    This AD was prompted by mandatory continuing airworthiness
information (MCAI) issued by the aviation authority of another
country to identify and correct an unsafe condition on an aviation
product. The MCAI describes the unsafe condition as occurrences of
excessive wear of elevator cables at pulley location station (STA)
270.3. The FAA is issuing this AD to prevent failure of the elevator
and rudder control cables, which could result in loss of control of
the airplane.

(f) Actions and Compliance

    Unless already done, do the following actions in paragraphs
(f)(1) and (2) of this AD.
    (1) Within the next 90 days after the effective date of this AD
or upon reaching the life limit for replacing an elevator or rudder
control cable, whichever occurs first, inspect the cables for
abnormal wear at pulley location STA 270.3. If there is abnormal
wear on a cable, before further flight, in addition to replacing the
life-limited cable from service, replace the corresponding pulley.
For purposes of this AD, abnormal wear is defined as either of the
following:
    (i) Wear on an individual wire exceeding 40 percent of the
original wire size or the blending of worn areas on the adjacent
wires exceeding 40 percent; or

    (ii) More than three broken wires in a one-inch span of 7 x 7
cable or six broken wires in a one-inch span of 7 x 19 cable.
    (2) Within the next 90 days after the effective date of this AD,
revise the Airworthiness Limitations section of your maintenance
program by adding the following requirements:
    (i) At the scheduled replacement of each life-limited elevator
and rudder control cable, inspect the cable for abnormal wear at
pulley location STA 270.3.
    (ii) If there is abnormal wear on the cable at the pulley
location, before further flight, in addition to removing the life-
limited cable from service, replace the corresponding pulley.

(g) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, New
York ACO Branch, FAA, has the authority to approve AMOCs for this
AD, if requested using the procedures found in 14 CFR 39.19. In
accordance with 14 CFR 39.19, send your request to your principal
inspector or local Flight Standards District Office, as appropriate.
If sending information directly to the manager of the certification
office, send it to ATTN: Program Manager, Continuing Operational
Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410,
Westbury, New York 11590; telephone:<PHONE_NUMBER>; fax: (516) 794-
5531; email<EMAIL_ADDRESS>Before using any approved AMOC
on any airplane to which the AMOC applies, notify your appropriate
principal inspector (PI) in the FAA Flight Standards District Office
(FSDO), or lacking a PI, your local FSDO.
    (2) Contacting the Manufacturer: For any requirement in this AD
to obtain corrective actions from a manufacturer, the action must
instead be accomplished using a method approved by the Manager, New
York ACO Branch, FAA; or Transport Canada Civil Aviation (TCCA); or
Viking Air Limited's Design Organization Approval (DOA). If approved
by the DOA, the approval must include the DAO-authorized signature.

(h) Related Information

    (1) Refer to MCAI TCCA AD Number CF-2018-28, dated October 15,
2018, and Viking DHC-6 Twin Otter Service Bulletin Number: V6/0062,
dated July 31, 2017, for related information. You may examine the
MCAI on the internet at http://www.regulations.gov by searching for
and locating Docket No. FAA-2019-0410. For Viking Air Limited
service information identified in this AD, contact Viking Air
Limited Technical Support, 1959 de Havilland Way, Sidney, British
Columbia, Canada, V8L 5V5; telephone: (North America) (800) 663-
8444; fax:<PHONE_NUMBER>; email<EMAIL_ADDRESS>
internet: http://www.vikingair.com/support/service-bulletins.
    (2) For more information about this AD, contact Darren Gassetto,
Aerospace Engineer, Mechanical Systems and Admin Services Section,
FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury,
NY 11590; telephone:<PHONE_NUMBER>; fax:<PHONE_NUMBER>; email<EMAIL_ADDRESS>
    Issued in Kansas City, Missouri, on May 23, 2019.
Melvin J. Johnson,
Aircraft Certification Service, Deputy Director, Policy and Innovation
Division, AIR-601.
[FR Doc. 2019-11298 Filed 5-30-19; 8:45 am]
BILLING CODE 4910-13-P


[Federal Register Volume 76, Number 70 (Tuesday, April 12, 2011)]
[Notices]
[Pages 20393-20394]
[FR Doc No: 2011-8623]

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SECURITIES AND EXCHANGE COMMISSION

[Release No. 34-64203; File No. SR-CHX-2011-05]

Self-Regulatory Organizations; Chicago Stock Exchange, Inc.;
Notice of Filing and Immediate Effectiveness of Proposed Rule Change to
Extend the Pilot Program Relating to Individual Securities Circuit
Breakers

April 6, 2011.
    Pursuant to Section 19(b)(1) \1\ of the Securities Exchange Act of
1934 (the ``Act'') \2\ and Rule 19b-4 thereunder,\3\ notice is hereby
given that on April 5, 2010, the Chicago Stock Exchange, Inc. (``CHX''
or the ``Exchange'') filed with the Securities and Exchange Commission
(``Commission'') the proposed rule change as described in Items I and
II below, which Items have been prepared by the Exchange. The
Commission is publishing this notice to solicit comments on the
proposed rule change from interested persons.
---------------------------------------------------------------------------

    \1\ 15 U.S.C. 78s(b)(1).
    \2\ 15 U.S.C. 78a.
    \3\ 17 CFR 240.19b-4.
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I. Self-Regulatory Organization's Statement of the Terms of Substance
of the Proposed Rule Change

    CHX proposes to amend its rules to extend the pilot program
relating to individual securities circuit breakers. The text of this
proposed rule change is available on the Exchange's Web site at (http://www.chx.com) and in the Commission's Public Reference Room.

II. Self-Regulatory Organization's Statement of the Purpose of, and
Statutory Basis for, the Proposed Rule Change

    In its filing with the Commission, the CHX included statements
concerning the purpose of and basis for the proposed rule changes and
discussed any comments it received regarding the proposal. The text of
these statements may be examined at the places specified in Item IV
below. The CHX has prepared summaries, set forth in sections A, B and C
below, of the most significant aspects of such statements.

A. Self-Regulatory Organization's Statement of the Purpose of, and
Statutory Basis for, the Proposed Rule Changes

1. Purpose
    In June, 2010, CHX obtained Commission approval to amend Article
20, Rule 2 to create circuit breakers in individual securities on a
pilot basis to end on December 10, 2010.\4\ Shortly thereafter, in
September, the Commission approved another amendment to Article 20,
Rule 2 to add securities included in the Russell 1000[supreg] Index
(``Russell 1000'') and certain specified Exchange Traded Products
(``ETP'') to the pilot rule.\5\ This program was subsequently extended
until April 11, 2011.\6\ The proposed rule change merely extends the
duration of the pilot program to the earlier of August 11, 2011 or the
date on which a limit up/limit down mechanism to address extraordinary
market volatility, if adopted, applies. Extending the pilot in this
manner will allow it to continue until the limit up/limit down
mechanism to address extraordinary market volatility, if adopted,
applies.
---------------------------------------------------------------------------

    \4\ See Securities Exchange Act Release No. 62252 (June 10,
2010), 75 FR 34186 (June 16, 2010) approving SR-CHX-2010-10.
    \5\ See Securities Exchange Act Release No. 62884 (September 10,
2010), 75 FR 56618 (September 16, 2010) approving SR-CHX-2010-14.
    \6\ See Securities Exchange Act Release No. 34-63498 (December
9, 2010), 75 FR 78310 December 15, 2010) approving SR-CHX-2010-24.
---------------------------------------------------------------------------

2. Statutory Basis
    The proposed rule change is consistent with Section 6(b)(5) of the
Securities Exchange Act of 1934 (the ``Act''), which requires the rules
of an exchange to promote just and equitable principles of trade, to
remove impediments to and perfect the mechanism of a free and open
market and a national market system and, in general, to protect
investors and the public interest. The proposed rule change also is
designed to support the principles of Section 11A(a)(1) of the Act in
that it seeks to assure fair competition among brokers and dealers and
among exchange markets. The Exchange believes that the proposed rule
meets these requirements in that it promotes uniformity across markets
concerning decisions to pause trading in a security when there are
significant price movements.

B. Self-Regulatory Organization's Statement of Burden on Competition

    The Exchange does not believe that the proposed rule change will
impose any burden on competition that is not necessary or appropriate
in furtherance of the purposes of the Act.

C. Self-Regulatory Organization's Statement on Comments Regarding the
Proposed Rule Changes Received From Members, Participants or Others

    No written comments were either solicited or received.

III. Date of Effectiveness of the Proposed Rule Change and Timing for
Commission Action

    Because the foregoing proposed rule change does not: (i)
Significantly affect the protection of investors or the public
interest; (ii) impose any significant burden on competition; and (iii)
become operative for 30 days from the date on which it was filed, or
such shorter time as the Commission may designate if consistent with
the protection of investors and the public interest, it has become
effective pursuant to Section 19(b)(3)(A) of the Act \7\ and Rule 19b-
4(f)(6) thereunder.\8\
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    \7\ 15 U.S.C. 78s(b)(3)(A).
    \8\ 17 CFR 240.19b-4(f)(6). When filing a proposed rule change
pursuant to Rule 19b-4(f)(6) under the Act, an exchange is required
to give the Commission written notice of its intent to file the
proposed rule change, along with a brief description and text of the
proposed rule change, at least five business days prior to the date
of filing of the proposed rule change, or such shorter time as
designated by the Commission. The Commission notes that the Exchange
has satisfied this requirement.
---------------------------------------------------------------------------

    A proposed rule change filed under Rule 19b-4(f)(6) normally may
not become operative prior to 30 days after the date of filing.\9\
However, Rule 19b-4(f)(6) \10\ permits the Commission to designate a
shorter time if such action is consistent with the protection of
investors and the public interest. The Exchange has requested that the
Commission waive the 30-day operative delay.
---------------------------------------------------------------------------

    \9\ 17 CFR 240.19b-4(f)(6)(iii).
    \10\ Id.
---------------------------------------------------------------------------

    The Commission has considered the Exchange's request to waive the
30-day operative delay. The Commission believes that waiving the 30-day
operative delay is consistent with the protection of investors and the
public interest, as it will allow the pilot program to continue
uninterrupted, thereby avoiding the investor confusion that could
result from a temporary interruption in the pilot program.\11\ For this
reason, the Commission designates the proposed rule change to be
operative upon filing.
---------------------------------------------------------------------------

    \11\ For the purposes only of waiving the operative delay of
this proposal, the Commission has considered the proposed rule's
impact on efficiency, competition, and capital formation. See 15
U.S.C. 78c(f).
---------------------------------------------------------------------------

    At any time within 60 days of the filing of the proposed rule
change, the Commission summarily may temporarily suspend such rule
change if it appears to the Commission that such action is necessary or
appropriate in the public interest, for the protection of investors, or
otherwise in furtherance of the purposes of the Act. If the Commission
takes such action, the Commission shall institute proceedings to
determine whether the proposed rule change should be approved or
disapproved.

IV. Solicitation of Comments

    Interested persons are invited to submit written data, views, and
arguments concerning the foregoing, including whether the proposed rule
change, as amended, is consistent with the Act. Comments may be
submitted by any of the following methods:

Electronic Comments

     Use the Commission's Internet comment form (http://www.sec.gov/rules/sro.shtml); or
     Send an e-mail to<EMAIL_ADDRESS>Please include
File Number SR-CHX-2011-05 on the subject line.

Paper Comments

     Send paper comments in triplicate to Elizabeth M. Murphy,
Secretary, Securities and Exchange Commission, 100 F Street, NE.,
Washington, DC 20549-1090.

All submissions should refer to File Number SR-CHX-2011-05. This file
number should be included on the subject line if e-mail is used. To
help the Commission process and review your comments more efficiently,
please use only one method. The Commission will post all comments on
the Commission's Internet Web site (http://www.sec.gov/rules/sro.shtml). Copies of the submission, all subsequent amendments, all
written statements with respect to the proposed rule change that are
filed with the Commission, and all written communications relating to
the proposed rule change between the Commission and any person, other
than those that may be withheld from the public in accordance with the
provisions of 5 U.S.C. 552, will be available for Web site viewing and
printing in the Commission's Public Reference Room, 100 F Street, NE.,
Washington, DC 20549, on official business days between the hours of 10
a.m. and 3 p.m. Copies of such filing also will be available for
inspection and copying at the principal offices of the Exchange. All
comments received will be posted without change; the Commission does
not edit personal identifying information from submissions. You should
submit only information that you wish to make available publicly.
    All submissions should refer to File Number SR-CHX-2011-05, and
should be submitted on or before May 3, 2011.

    For the Commission, by the Division of Trading and Markets,
pursuant to delegated authority.\12\
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    \12\ 17 CFR 200.30-3(a)(12).
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Cathy H. Ahn,
Deputy Secretary.
[FR Doc. 2011-8623 Filed 4-11-11; 8:45 am]
BILLING CODE 8011-01-P