# SDR AALA202507316019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2025
- Submitted: July 31, 2025
- Operation: Air carrier
- Aircraft: [N967AN](https://openairdocs.org/aircraft/N967AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29545
- Aircraft time: 68,562 hours, 29,049 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4735975
- Condition: False Indication
- Location: Zone 100 - Fuse
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202507316019

## Discrepancy

AIRCRAFT WAS GROUNDED: FORWARD CARGO FIRE LIGHT ILLUMINATED ON THE GROUND. FIRE WARNING BELL SOUNDED AND THE CARGO FIRE BOTTLE DISCHARGED. REMOVED AND REPLACED CARGO FIRE EXTINGUISHING BOTTLE (AALA202507315282), PER AMM 26-23-01. ALSO REMOVED AND REPLACED CARGO FIRE CONTROL UNIT (AALA202507316361), PER AMM 26-16-02, ALSO, REMOVED AND REPLACED ALL 4 FORWARD CARGO SMOKE DETECTOR (AALA202507314614), (AALA202507312870), (AALA202507317070), (AALA202507316019), PER AMM 26-16-01. OPERATIONAL CHECK GOOD.

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