Service difficulty report · Valve · Boeing 767322

Difficulty date
May 19, 2011
Submitted
June 10, 2011
Operation
Air carrier
Aircraft
N666UA
Make and model
Boeing 767322
Aircraft serial
29238
Aircraft time
46,264 hours, 12,545 cycles
Engine
Pwa PW4056
Part
Valve
Condition
Faulty
Location
Apu
Stage of operation
IN
How discovered
O
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

APU PNEUMATIC AIR WEAK, INDICATES 20 PSI WITH LOAD. SLOW ENGINE STARTS. REPLACED SURGE VALVE IN REF TO MM. GROUND CHECKS GOOD.