Service difficulty report · Start Valve · Boeing 777222

Difficulty date
September 7, 2012
Submitted
September 14, 2012
Operation
Air carrier
Aircraft
N782UA
Make and model
Boeing 777222
Aircraft serial
26948
Aircraft time
68,302 hours, 9,768 cycles
Engine
Pwa PW40903
Part
Start Valve
Part number
10011003
Part serial
158
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

**RTBL** CREW REPORTS: DURING RT ENGINE START GOT RT ENGINE START VALVE EICAS MSG, ENGINE STARTED NORMAL, CURRENTLY HAVE A START VALVE STS MSG **RTBL** OPBLM TOMC 10SEP12. AHM SHOWS ENGINE START VALVE RT MM MSG 80-61562 (STARTER AIR VALVE IS NOT IN COMMANDED POSITION). START VALVE MESSAGE. REPLACED RT ENG START VLV.