Service difficulty report · Sense Line · Boeing 777222

Difficulty date
March 8, 2014
Submitted
March 10, 2014
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
71,159 hours, 9,817 cycles
Engine
Pwa PW4090
Engine time
3,200 hours, 25,177 cycles
Part
Sense Line
Condition
Contaminated
Location
Rt Engine
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

RT ENG CONT STST EICAS MESSAGE AFTER ENGINE START. SHUTDOWN ENGINE, CLEARED MESSAGE, RE-START NO HELP. CMC DOWNLOAD SHOWS MESSAGE 77-61112 AMBIENT PRESS, P AMB MANIFOLD IS BLOCKED OR LEAKING. ACCOMPLISHED FIM 77-11 TASK 814, FOUND WATER INSIDE P AMB LINE. DRAINED WATER, RAN ENGINE, OKAY, NO MORE MESSAGE.