# SDR SWAA990561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N103SW](https://openairdocs.org/aircraft/N103SW), registered now
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 23109
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Part number: 65509001
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: NR
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990561

## Discrepancy

APU FIRE WARNING BELL AND LIGHT ILLUMINATED DURING FLIGHT.  PULLED FIRE HANDLE AND DISCHARGED APU FIRE BOTTLE.  INSPECTED APU AND TAILPIPE, NO EVIDENCE OF FIRE FOUND.  OK TO CONTINUE PER MEL.  REMOVED AND REPLACED FIRE BOTTLE DURING OVERNIGHT CHECK PER MM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
