# SDR AALA201712069023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2017
- Submitted: December 7, 2017
- Operation: Air carrier
- Aircraft: [N146AA](https://openairdocs.org/aircraft/N146AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6761
- Aircraft time: 7,238 hours, 2,751 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory
- 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/AALA201712069023

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: IN FLIGHT, ECAM MESSAGE DISPLAYED SMOKE WARNING IN LAVATORY FOR 3-5 SECONDS, THEN SELF-CLEARED. FLIGHT ATTENDANTS CONFIRMED NO EVIDENCE OF SMOKE IN ANY LAVATORY, FAULT ASSOCIATED WITH LAVATORY E. MAINTENANCE FOUND NO FAULTS AND PERFORMED SUCCESSFUL CIDS TEST NO. MB23-73-00.

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