# SDR AALA202211218523

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2022
- Submitted: November 21, 2022
- Operation: Air carrier
- Aircraft: [N905AU](https://openairdocs.org/aircraft/N905AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7700
- Aircraft time: 16,578 hours, 6,405 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Filter
- Condition: Clogged
- Location: Smoke Detector
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202211218523

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: SPURIOUS LAVATORY SMOKE ECAM FROM THE MID LAVATORY. MAINTENANCE FOUND MID LAVATORY SMOKE DETECTOR FILTER CLOGGED. REPLACED FILTER PER AMM 26-17-00.

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