# SDR ASAA2012060992332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2012
- Submitted: June 13, 2012
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 21,215 hours, 6,577 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Part number: 38880587
- Part serial: 076971101862
- Condition: Malfunctioned
- Location: Apu
- Part time: 6,843 hours, 5,848 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012060992332

## Discrepancy

APU FAILED TO START.  FAULT CODE 49-41011.  MAINT MESSAGE NO FLAME SHUTDOWN.  REPLACED THE APU IGNITION UNIT (EXCITER) IAW AMM 49-41-31-400-801. OPS NORMAL.

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