# SDR ASAA2015080212685

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2015
- Submitted: August 5, 2015
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 18,288 hours, 5,344 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015080212685

## Discrepancy

APU WILL NOT START.  ACFT GROUNDED. PERFORMED APU BITE PROCEDURE IAW AMM 49-61-00-700-801, NO CURRENT FAULTS.  PERFORMED APU STARTING AND OPERATION IAW AMM 49-11-00-860-801.  USED BATTERY ONLY FOR FOUR STARTS AND WITH GROUND POWER CONNECTED TWICE.  ALL STARTS SUCCESSFUL.  SHUTDOWN APU IAW AMM 49-11-00-860-802.  NO HISTORY LAST 30 DAYS.

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