# SDR TSAA0649012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2006
- Submitted: February 14, 2006
- Operation: Air carrier
- Aircraft: [N816AL](https://openairdocs.org/aircraft/N816AL), registered now
- Make and model: Boeing 737-2X6C
- Registry model: [Boeing 737-2X6C](https://openairdocs.org/model/boeing-737-2x6c) (OpenAirDocs)
- Aircraft serial: 23122
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Speed Switch
- Part number: 3055933
- Part serial: P162
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0649012

## Discrepancy

FLIGHT 922 HNL OGG- APU OVER-SPEED INDICATION ILLUMINATED AND THE APU AUTO SHUT-DOWN.  CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT.  MAINTENANCE REPLACED THE 3- SPEED SWITCH; OPS CHECKED NORMAL AND RETURNED THE AIRCRAFT TO SERVICE.

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