# SDR ASAA2012070892509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2012
- Submitted: July 10, 2012
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 21,530 hours, 6,685 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Malfunctioned
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012070892509

## Discrepancy

APU WILL NOT CARRY PNEUMATIC LOAD.  PERFORMED APU BITE IAW FIM 4960-TASK 801 APU FAULTED 49-31171, FCU DISAGREES WITH COMMAND.  C/W FIM 49-31-00-810-808 THROUGH F(1)(E) 1, NO FAULTS FOUND.

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