# SDR AALA201904189001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2019
- Submitted: April 18, 2019
- Operation: Air carrier
- Aircraft: [N812NN](https://openairdocs.org/aircraft/N812NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33520
- Aircraft time: 30,078 hours, 12,055 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/AALA201904189001

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: JUST PRIOR TO TOP OF DESCENT, THE LAVATORY SMOKE LIGHT ILLUMINATED FOR APPROXIMATELY 5 SECONDS AND EXTINGUISHED WITH NO INDICATIONS OF A FIRE. MAINTENANCE ACCOMPLISHED LAVATORY SMOKE DETECTION TEST PER MM 26-14-00 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.

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