# SDR SWAA970393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N61SW](https://openairdocs.org/aircraft/N61SW), registered now
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 21970
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Connector
- Condition: Corroded
- Location: Apu
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA970393

## Discrepancy

AT CRUISE, A BRIEF APU FIRE WARNING BELL SOUNDED WITH LIGHT, TWO DIFFERENT TIMES.  INSPECTED AND FOUND FIRE LOOP CANNON PLUG IN APU TAIL CONE CORRODED.  REPLACED CANNON PLUG PER BOEING M/M.

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