Service difficulty report · Start Valve · Boeing 777222

Difficulty date
June 1, 2008
Submitted
July 15, 2008
Operation
Air carrier
Aircraft
N776UA
Make and model
Boeing 777222
Aircraft serial
26937
Aircraft time
49,204 hours, 9,224 cycles
Engine
Pwa PW4077
Part
Start Valve
Part number
8088846
Part serial
UNK
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
K

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

What was found

ENGINE START VALVE L LEFT STARTER AIR VALVE POSITION DISAGREES WITH COMMANDED POSITION OR STARTER AIR VALVE POSITION INDICATION IS LOST. STATUS CREW COMMENTS: CHRONIC MSG-8061561 INACTV ES MODE, MSG-8061561 INACTV ES MODE. *S/D* FOUND FAULTY START VALVE. REPLACED NR 1 ENGINE START VALVE PER MM 80-11-02 AND OPS CHECK GOOD. AC OK FOR SERVICE.