# SDR SWAA2026012964966

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2026
- Submitted: January 29, 2026
- Operation: Air carrier
- Aircraft: [N7874B](https://openairdocs.org/aircraft/N7874B), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 29352
- Aircraft time: 62,573 hours, 35,021 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 900
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026012964966

## Discrepancy

FWD LAVATORY SMOKE DETECTOR ACTIVATED IN CLIMB & DESCENT.   RESET BOTH TIMES. NO EVIDENE OF SMOKE OR ODOR.   OK TO CONT PER MEL 26-16-01, SP1B, AND SP3. R & R THE SMOKE DETECTOR IAW AMM 26-14-01, OPS CHECKED GOOD.

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