# SDR SWAA010593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2001
- Submitted: March 5, 2001
- Operation: Air carrier
- Aircraft: N371SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26598
- Aircraft time: 26,266 hours, 24,206 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Switch
- Part number: 38763264
- Part serial: GE1897
- 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/SWAA010593

## Discrepancy

DIVERSION - APU OVERSPEED LIGHT ILLUMINATED.  LEFT BUS OFF LIGHT ILLUMINATED.  (NR 1 GENERATOR ALREADY ON MEL).  REMOVED AND REPLACED APU 3-SPEED SWITCH PER MM.

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