Service difficulty report · Start Valve · Boeing 777222

Difficulty date
July 12, 2010
Submitted
July 14, 2010
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
61,482 hours, 11,427 cycles
Engine
Pwa PW4077
Part
Start Valve
Part number
10011003
Part serial
93
Condition
Faulty
Location
Rt 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

RIGHT ENGINE START VALVE WILL NOT OPEN. ACP LEAK CHECK AND START TEST PER MM. REPLACED RIGHT ENGINE STARTER AIR VALVE. ACCOMPLISHED AIR VALVE TEST PER MM. REPLACED VALVE AND LEAK CHECK.