Service difficulty report · Bleed Valve · Boeing 767322

Difficulty date
January 9, 2010
Submitted
January 29, 2010
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
73,158 hours, 11,910 cycles
Engine
Pwa PW4060
Part
Bleed Valve
Part number
2780540102
Part serial
10
Condition
Faulty
Location
Apu
Stage of operation
IN
How discovered
V
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 BLEED BLEED AIR ON WITH SWITCH OFF. APU VALVE LOCK CLOSED. SUSPECT THE APU BLEED SWITCH AT FAULT. REPLACED VALVE, OPS TEST NORMAL.