# SDR AALA202206016223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2022
- Submitted: June 1, 2022
- Operation: Air carrier
- Aircraft: [N431AN](https://openairdocs.org/aircraft/N431AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10385
- Aircraft time: 3,765 hours, 1,005 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: None
- Condition: False Indication
- Location: Zone 900 - Lav/G
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202206016223

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE ECAM INDICATION IN 2 AFT LAVATORIES. MAINTENANCE ACCOMPLISHED SMOKE DETECTOR CONTROL UNIT (SDCU)  #1 AND #2 WERE RESET AND FAULT CLEARED. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 26-17-00.

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