SDR ASAA2013110196275

Service difficulty report · Apu · Boeing 737890

Difficulty date: November 1, 2013
Submitted: November 5, 2013
Operation: Air carrier
Aircraft: N533AS
Make and model: Boeing 737890
Aircraft serial: 35201
Aircraft time: 11,056 hours, 3,343 cycles
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Malfunctioned
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

APU WONT START, FAULT LIGHT ON. ACFT GROUNDED, PERFORMED FIM 49-40, TASK 803. NO APU ROTATION SHUTDOWN. PERFORMED BITE TEST ON APU, NO CURRENT FAULTS FOUND, GROUND VERIFICATION TESTS NORMAL. RAN APU 6 TIMES, LOADED DOWN APU, NO FAILURES NOTED. NO HISTORY 30 DAYS.