# SDR ASAA2012063092447

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2012
- Submitted: July 3, 2012
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 12,945 hours, 3,926 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Failed
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012063092447

## Discrepancy

APU, ATTEMPTED CSS AT FL380 AND FAULT LIGHT CAME ON AND WENT OUT 6 MIN AFTER SHUTDOWN START OK AT GATE ON ARRIVAL.  APU BITE PROCEDURE PASSES ALL TESTS REF MM 49-61-00.  C  APU FAULT REVIEW LOGGED FAULT 49-41011 - NO FLAME SHUTDOWN FAULT.  APU GROUND START IS NORMAL.

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