# SDR AALA202608065166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 6, 2026
- Operation: Air carrier
- Aircraft: [N977UY](https://openairdocs.org/aircraft/N977UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5409
- Aircraft time: 42,360 hours, 17,450 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Indication
- Location: Zone 900
- Stage of operation: NR
- How discovered: V
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202608065166

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: MOMENTARY LAVATORY SMOKE ECAM. CLEARED WITHOUT PILOT INTERVENTION. NO EVIDENCE OF SMOKE.  MAINTENANCE REPORTED THAT MESSAGE WAS MOMENTARY AND CLEARED AS PER FLIGHT CREW. NO FAULT LOGGED IN CIDS SMOKE DETECTION AND SMOKE TEST PASSED PER AMM 26-17-00

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