Service difficulty report · Valve · Boeing 777222

Difficulty date
July 22, 2013
Submitted
July 25, 2013
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
69,640 hours, 12,093 cycles
Engine
Pwa PW4077
Part
Valve
Part number
07P958
Condition
Faulty
Location
Nr 2
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ENGINE CONTROL RT STATUS MESSAGE AFTER ENGINE START. AHM REPORTING FAULT 75-60482 (2.9 STABILITY BLEED NOT IN COMMANDED POSITION). CLEARED MESSAGE, FAULT RETURNED WHEN ENGINE WAS RESTARTED AND IDLED FOR A FEW MINUTES. REPLACED VALVE IAW MM 75-32-05. RAN ENGINE, OPS CHECKED GOOD.