# SDR AALA202409307616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2024
- Submitted: September 30, 2024
- Operation: Air carrier
- Aircraft: [N163AA](https://openairdocs.org/aircraft/N163AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6866
- Aircraft time: 25,058 hours, 9,999 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Filter
- Condition: Contaminated
- Location: Smoke Detector
- Stage of operation: CR
- 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/AALA202409307616

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: SPURIOUS LAVATORY SMOKE WARNING DURING CRUISE.  FLIGHT ATTENDANT REPORTED IT CAME FROM MID LAVATORY.  THERE WAS NO SMOKE AND NO PERSON HAD USED THE LAVATORY. PERFORMED TSM TASK 26-17-00. NO CURRENT FAULTS. INSPECTION OF MID LAVATORY SMOKE DETECTOR FOUND CONTAMINATED FILTER, CHANGED SMOKE DETECTOR FILTER.

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