# SDR AALA202301094804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2023
- Submitted: January 9, 2023
- Operation: Air carrier
- Aircraft: [N461AN](https://openairdocs.org/aircraft/N461AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 11059
- Aircraft time: 553 hours, 161 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory
- Stage of operation: DE
- 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/AALA202301094804

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING DESCENT MID LAVATORY. SMOKE LAVATORY SMOKE ECAM WARNING LAST 3 SECONDS. NO SMOKE NOTED.  MAINTENANCE PERFORMED BITE TEST OF THE SMOKE DETECTOR FIRE SYSTEM WITH NO FAULTS DETECTED PER AMM 26-10-00-740-801.

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