What was found
APU ON STARTUP INTO GATE, GOT FAULT ANNUNCIATOR, SHUT IT OFF. ACFT GROUNDED. ACCOMPLISHED APU BITE, FOUND FAULT 49-41012. NO ROTATION SHUTDOWN. MADE 2 APU STARTS, START NORMAL, SUSPECT APU COLD SOAK.
- Difficulty date
- March 23, 2015
- Submitted
- March 25, 2015
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 3,838 hours, 1,270 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- TX
- 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.