Service difficulty report · Start Valve · Boeing 777222

Difficulty date
August 6, 2008
Submitted
August 21, 2008
Operation
Air carrier
Aircraft
N784UA
Make and model
Boeing 777222
Aircraft serial
26951
Aircraft time
50,633 hours, 7,445 cycles
Engine
Pwa PW40903
Part
Start Valve
Part number
8088846
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ENG START VALVE L LEFT STARTER AIR VALVE POSITION DISAGREES WITH COMMANDED POSITION OR STARTER AIR VALVE POSITION INDICATION IS LOST. STATUS MSG01- NOT ACTIVE ENGINE SHUTDOWN MODE DEPENDENT; STARTER AIR VALVE (SAV) (L ENG) IS NOT IN COMMANDED POSITION. *S/D* FOUND FAULTY STARTER VALVE. REPLACED STARTER PER MM 80-11-01, OP CHECK GOOD. AC OK FOR SERVICE.