# SDR ASAA2014112809781

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2014
- Submitted: December 2, 2014
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 2,611 hours, 831 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Part number: 38880587
- Part serial: 140001
- Condition: Failed
- Location: Apu
- Part time: 584 hours, 1,246 cycles
- Stage of operation: NR
- 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/ASAA2014112809781

## Discrepancy

APU WOULD NOT START, THREE ATTEMPTS.  ACFT GROUNDED.  REPLACED EXCITER IAW AMM 49-41-31-400-801.  APU OPS CHECK NORMAL.

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