# SDR CA010625046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2001
- Submitted: July 5, 2001
- Operation: General aviation
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft time: 67,458 hours
- Engine: Pwa JT8D9A
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Condition: Shorted
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA010625046

## Discrepancy

(CAN) IN CRUISE 15 MIN AFTER APU SHUT DOWN. APU FIRE WARNING OCCURED. FIRE HANDLED PULLED AND BOTTLE DISCHARED. FIRE INDICATION TERMINATED. AFTER APPROX. 30 SEC. FIRE TEST CARRIED OUT, ALL INDICATIONS NORMAL. FLIGHT CONTINUED NO FURTHER PROBLEM. INVESTIGATION ON GROUND FOUND NO EVIDENCE OF FIRE OR OVER HEATING DAMAGE TROUBLE SHOOTING OF LOOPS AND WIRING FOUND NO FAULTS. A/C DISPATCH WITH MEL ON DISCHARGED BOTTLE AND MEL ON FIRE DETECTION SYSTEM..

---
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.