# SDR ASAA11510016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2011
- Submitted: July 12, 2011
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 12,010 hours, 3,864 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Starter Gen
- Part number: 28B5457STYLEC
- Part serial: 241466
- Condition: Faulty
- Location: Apu
- Part time: 4,902 hours, 3,924 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA11510016

## Discrepancy

APU FAILS TO START.  FAULT LIGHT ILLUMINATED.  ACCOMPLISHED FIM TASK 49 40 TASK 806 FOUND FAULT CODE 49 41244 LOGGED.  REPLACED APU STARTER GENERATOR PER M/M 49 41 21 SYSTEM, OPS CHECKS NORMAL.

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