# SDR AALA202511057271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2025
- Submitted: November 5, 2025
- Operation: Air carrier
- Aircraft: [N453AA](https://openairdocs.org/aircraft/N453AA), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10811
- Aircraft time: 13,934 hours, 3,773 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 900
- 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/AALA202511057271

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THEY RECEIVED ECAM WARNING SMOKE LAVATORY SMOKE AT CRUISE ALTITUDE. FLIGHT ATTENDANTS REPORTED NO EVIDENCE OF PASSENGER SMOKING/VAPING NOR SMOKE IN WASTE BINS IN ANY LAVATORY. MAINTENANCE RESET SMOKE DETECTION SYSTEM AND ACCOMPLISHED BITE TEST PER AMM 26-17-00 WITH NO FAULTS OR ISSUES NOTED.

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