# SDR AALA201801099023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2018
- Submitted: January 9, 2018
- Operation: Air carrier
- Aircraft: [N997NN](https://openairdocs.org/aircraft/N997NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33250
- Aircraft time: 4,393 hours, 1,764 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 47456021
- Condition: False Activation
- Location: Lavatory
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201801099023

## Discrepancy

THE AIRCRAFT WAS NOT GROUNDED.  THE FORWARD LAVATORY SMOKE DETECTOR ACTIVATED SEVERAL TIMES IN A 3 MINUTE PERIOD. PASSENGER WAS USING LAVATORY AT THE TIME. THERE WAS NO SMOKE OR UNUSUAL ODORS PHYSICALLY DETECTED. REPLACED FORWARD LAVATORY SMOKE DETECTOR PER MM 26-14-01. OPERATIONS CHECK NORMAL.

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