Service difficulty report · Start Valve · Boeing 777222

Difficulty date
May 21, 2010
Submitted
May 26, 2010
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
53,886 hours, 7,915 cycles
Engine
Pwa PW40903
Part
Start Valve
Part number
10011003
Part serial
200104112
Condition
Faulty
Location
Right
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 RIGHT STARTER AIR VALVE POSITION DISAGREES WITH COMMANDED POSITION OR STARTER AIR VALVE POSITION INDICATION IS LOST. STATUS MSG-8061562 INACTV TA MODE. START VALVE INOPERATIVE. STARTER & VALVE FOUND DEFECTIVE. REPLACED STARTER VALVE & STARTER ASSY, OPS CHECKS GOOD.