# SDR AALA202603049998

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N407AN](https://openairdocs.org/aircraft/N407AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 8898
- Aircraft time: 22,047 hours, 6,076 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/AALA202603049998

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: THE FLIGHT CREW REPORTED THAT WHILE AT CRUISE THEY RECEIVED AN AFT LAVATORY SMOKE WARNING ECAM THAT ONLY LASTED FOR ABOUT 2 SECONDS AND DISAPPEARED. THE FLIGHT ATTENDANTS INVESTIGATED AND FOUND ALL LAVATORIES WERE FREE OF SMOKE.  THE FLIGHT CREW REPORTED THATT THEY CONTINUED THE FLIGHT WITHOUT ANY FURTHER ISSUE. MAINTENANCE RESET SMOKE, LAVATORY CIDS SYSTEM,  FWC IAW AMM 26-00-00 & 34-00-00.  ACCOMPLISHED A SATISFACTORY OPS CHECK WITH NO ISSUES NOTED.

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