# SDR USAA920080001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2008
- Submitted: January 4, 2008
- Operation: Air carrier
- Aircraft: N504AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23379
- Aircraft time: 59,636 hours, 40,786 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 100064904
- Part serial: 9816
- Condition: False Activation
- Location: Cargo Bay
- Part time: 14,584 hours, 11,301 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA920080001

## Discrepancy

BOS - FFW - FLT 854 - CARGO FIRE MX LIGHT ON MX TEST SHOWS FALSE ALARM.  MX REPLACED THE CARGO SMOKE DETECTOR.  OPERATIONAL CHECK WAS 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.