# SDR AALA202506239092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2025
- Submitted: June 23, 2025
- Operation: Air carrier
- Aircraft: [N951XV](https://openairdocs.org/aircraft/N951XV), registered now
- Make and model: Airbus A321-253N
- Registry model: [Airbus A321-253N](https://openairdocs.org/model/airbus-a321-253n) (OpenAirDocs)
- Aircraft serial: 7639
- Aircraft time: 22,597 hours, 6,023 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/AALA202506239092

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: SMOKE DETECTOR IN LAVATORY WENT OFF AT CRUISE ALTITUDE FL250. FLIGHT ATTENDANTS CHECKED ALL LAVATORIES AND NOTHING NOTED. MAINTENANCE RESET CIDS 1 AND 2 PER AMM 23-73-00.  A SATISFACTORY OPERATIONAL CHECK OF THE SMOKE DETECTION SYSTEM WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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