Service difficulty report · Apu · Boeing 757222

Difficulty date
September 15, 2007
Submitted
September 21, 2007
Operation
Air carrier
Aircraft
N511UA
Make and model
Boeing 757222
Aircraft serial
24799
Aircraft time
56,677 hours, 21,195 cycles
Engine
Pwa PW2037
Part
Apu
Condition
Shutdown
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

APU SHUTDOWN WHILE AT GATE. 10-9-07 ACCOMPLISHED FADEC BITE TEST - LAST FIVE LEGS SHOW NO FAULTS. REPLACED OIL PRESS SWITCH. APU RUNS NORMAL WITH FULL ELECTRICAL AND AIR LOADS.