Service difficulty report · O-Ring · Boeing 747422

Difficulty date
December 6, 2013
Submitted
December 10, 2013
Operation
Air carrier
Aircraft
N197UA
Make and model
Boeing 747422
Aircraft serial
26901
Aircraft time
66,458 hours, 7,740 cycles
Engine
Pwa PW4056
Part
O-Ring
Condition
Cut
Location
Nr 1 Engine
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON ARRIVAL AT GATE FOUND OIL LEAKING FROM OIL SERVICE DOOR NR 1 ENG. FOUND OIL CAP O RING CUT, REPLACED O RING NR 1 ENG.