# SDR 9612946634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N634US](https://openairdocs.org/aircraft/N634US), registered now
- Make and model: Boeing 747227B
- Aircraft serial: 22234
- System (JASC): [2621 · Fire Bottle, Fixed](https://openairdocs.org/jasc/2621)
- Part: Fire Bottle
- Part number: 34504901M
- Condition: Malfunctioned
- Location: Apu Compartment
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9612946634

## Discrepancy

DURING CRUISE, THE APU FIRE WARNING SYSTEM ACTIVATED, SYSTEM-A FIRE LOOP DETECTOR FAULTED, FIRE BOTTLE WOULD NOT DISCHARGE AND PULLED CIRCUIT BREAKER.  AIRCRAFT CONTINUED TO SFO AND LANDED WITHOUT INCIDENT.  REPLACED FIRE BOTTLE, OPERATIONAL CHECK GOOD.

---
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.