# SDR AALA202503051752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2025
- Submitted: March 5, 2025
- Operation: Air carrier
- Aircraft: [N408AN](https://openairdocs.org/aircraft/N408AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 9083
- Aircraft time: 17,904 hours, 4,927 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/AALA202503051752

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE WARNING EN ROUTE WHICH CLEARED WITHIN 30-45 SECONDS, NO SMOKE, FUMES OR VAPES REPORTED BY FLIGHT ATTENDANTS AFTER INSPECTION OF LAVATORY. MAINTENANCE ACCOMPLISHED AN OPERATIONAL CHECK OF THE LAVATORY SMOKE DETECTION SYSTEM PER TASK 26-17-00-710-001-A, WITH NO FAULTS OR DEFECTS NOTED.

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