What does a cracked cylinder look like?  The flurry of news
reporting related to the NPRM and recently proposed AD on TITAN
520/550 style cylinder heads has created a case of “Crack
Confusion,” according to officials at Engine Components
International (ECi). That’s why they put together a page with
photos of the most common cracks. Officials note that a “picture
speaks a thousand words…and words can be confusing.” Check it
out here.      1. Dietrich Fecht says:      Is that really true,
that about of 75% of all cylinders at engine overhaul contain
cracks that require welding, as stated on the ECI page
http://www.eci.aero/pages/cracked.aspx ? What means that 75 % of
all cylinders are flown with cracks some time before overhaul ?
I didn`t know before that such a high number of cracks in
cylinders are such a serious issue. That gives me some thinking.
A crack in the cylinder or cylinder head is mostly often the
beginning of a capital engine defect. With all possible dangers
and risks which result from