# SDR AALA202209298941

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2022
- Submitted: September 29, 2022
- Operation: Air carrier
- Aircraft: [N778AN](https://openairdocs.org/aircraft/N778AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29587
- Aircraft time: 90,780 hours, 11,282 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4755713
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202209298941

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: UPPER BUNK SMOKE DETECTOR FOUND INOPERATIVE DURING INSPECTION ON JOB CARD 72T20025017 AND REFFERENCE MAINTENANCE MESSAGE 26-41010. REPLACED UPPER BUNK SMOKE DETECTOR REF AMM 26-1-11-401.

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