# SDR AALA202003139002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2020
- Submitted: March 13, 2020
- Operation: Air carrier
- Aircraft: [N939NN](https://openairdocs.org/aircraft/N939NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33491
- Aircraft time: 20,125 hours, 7,697 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory
- Stage of operation: DE
- 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/AALA202003139002

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: ON DESCENT, LAVATORY SMOKE LIGHT ON, WENT OUT QUICKLY. FLIGHT ATTENDANTS HEARD IT IN THE AFT LAVATORIES AND UPON INSPECTION, FOUND NO SMOKE. MAINTENANCE PERFORMED SATISFACTORY OPERATIONAL CHECK PER AMM 26-17-00.

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