 The landing took place with an instrument landing system (ILS) approach, with the autopilot coupler being used down to 100 to 60 meters (300–200 ft) before a manual completion.The aircraft had three maintenance issues at Seattle, consisting of a non-functioning fast–slow airspeed function, low oil on the number one engine and a non-functioning lavatory light.The final crew arrived at Seattle–Tacoma an hour before the flight and was given necessary documentation.