# SDR AALA202108192729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2021
- Submitted: August 19, 2021
- Operation: Air carrier
- Aircraft: [N559UW](https://openairdocs.org/aircraft/N559UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5292
- Aircraft time: 28,400 hours, 11,361 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Dirty
- 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/AALA202108192729

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE WARNING FOR APPROXIMATELY 4 SECONDS NO ACTUAL SMOKE IN AFFECTED LAVATORY. ACCOMPLISHED TSM 26-17-00-810-804-A NO FAULTS NOTED NO CLASS III FAULTS MESSAGE. CLEANED AFT LAVATORY SMOKE DETECTION FILTERS PER AMM 26-17-15.

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