# SDR CALA2025041403739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2025
- Submitted: April 14, 2025
- Operation: Air carrier
- Aircraft: [N14524](https://openairdocs.org/aircraft/N14524), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12061
- Aircraft time: 694 hours, 272 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Malfunctioned
- Location: Zone 900
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025041403739

## Discrepancy

MOMENTARY LAV SMOKE DURING FLIGHT LESS THAN 5 SECONDS NO INDICAT ION OF SMOKE FLIGHT ATTENDANTS STRONGLY SUSPECT PASSENGER OF VAPING IN LAVATORY.FIGHT ATTENDANTS INSPECTED ALL LAVATORIES, NO SIGN OR SMELL OF SMOKE. PERFORMED TEST OF SDF 1 AND SDF 2, NO FAULTS CURRENT OR PREVIOUS.POST FLIGHT SHOWS NO FAULTS.LAST LEG SHOWS NO FAULTS.GROUND TEST SHOS NO FAULTS.

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