# SDR TSAA0449022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2004
- Submitted: July 13, 2004
- Operation: Air carrier
- Aircraft: [N744AL](https://openairdocs.org/aircraft/N744AL), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32582
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Ecu
- Part number: 2118966222
- Condition: Failed
- Location: Apu
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0449022

## Discrepancy

FLT 441 - OAK-HNL - APU FAULT LIGHT ILLUMINATED ON FINAL APPROACH, AUTO SHUTDOWN.  REPLACED APU ECU.  SYSTEM OPS CHECK GOOD IAW MM 49-61-12-4.  AIRCRAFT RETURNED TO SERVICE.  (M)

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