Service difficulty report · Control Valve · Boeing 767332

Difficulty date
May 8, 2009
Submitted
May 13, 2009
Operation
Air carrier
Aircraft
N188DN
Make and model
Boeing 767332
Aircraft serial
27583
Aircraft time
60,435 hours, 8,889 cycles
Part
Control Valve
Part number
97980612
Part serial
P1839
Condition
Malfunctioned
Location
Apu
Part time
23,869 hours, 37,691 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

UPON PUSHBACK AND SELECTING PACKS TO OFF, THE APU STOPPED RUNNING. RETRY SAME RESULT BITE CHKD APU CONTROL MODULE. FAULTED SURGE CONTROL VALVE. REMOVED AND REPLACED SURGE CONT VALVE PER MM OPS CHKS NORMAL.