Service difficulty report · Oil System · Boeing 777222

Difficulty date
April 13, 2008
Submitted
April 16, 2008
Operation
Air carrier
Aircraft
N775UA
Make and model
Boeing 777222
Aircraft serial
26947
Aircraft time
50,581 hours, 9,481 cycles
Engine
Pwa PW4077
Part
Oil System
Condition
Leaking
Location
Rt Engine
Stage of operation
TX
How discovered
O
Nature of condition
K, J
Precautionary procedure
D

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

What was found

AT SHUTDOWN OF THE RIGHT ENGINE ABOUT A PINT OF OIL CAME FROM THE BACKUP GEN-MAIN GEARBOX DRAIN MAST. EICAS SHOWS RT BUG SVC.