# SDR AALA202012089008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2020
- Submitted: December 10, 2020
- Operation: Air carrier
- Aircraft: [N354PT](https://openairdocs.org/aircraft/N354PT), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31275
- Aircraft time: 9,195 hours, 3,827 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4755712
- Condition: False Activation
- Location: Lavatory
- Stage of operation: NR
- 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/AALA202012089008

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  LT AFT LAVATORY HAD ERRONEOUS SMOKE ALERT FOR APPROXIMATELY 2 MINUTES DURATION WITH NO EVIDENCE OF SMOKE/FUMES/FIRE.  REPLACED SMOKE DETECTOR IN LT AFT LAVATORY, IAW AMM 26-14-01.  OPERATIONS CHECK GOOD.

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