# SDR AALA201707189005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2017
- Submitted: July 18, 2017
- Operation: Air carrier
- Aircraft: [N992AU](https://openairdocs.org/aircraft/N992AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7157
- Aircraft time: 2,359 hours, 882 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory
- Stage of operation: DE
- 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/AALA201707189005

## Discrepancy

LAVATORY SMOKE DETECTOR SOUNDED IN LAVATORY D AT TOP OF DESCENT, FL 350 AND WAS RESET BY FLIGHT ATTENDANT.  NO SMOKE WAS DETECTED. SMOKE ALARM WAS ACCOMPANIED BY MASTER WARNING ON ECAM.  MAINTENANCE ACCOMPLISHED TSM PROCEDURE PER 26-17-00,  NO FAULTS DETECTED.  ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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