# SDR AALA202404020085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2024
- Submitted: April 2, 2024
- Operation: Air carrier
- Aircraft: [N928AM](https://openairdocs.org/aircraft/N928AM), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7515
- Aircraft time: 21,620 hours, 8,483 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Control Unit
- Part number: UNKNOWN
- Condition: False Activation
- Location: Smoke Detector
- Stage of operation: CR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202404020085

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AT CRUISE FORWARD LAVATORY SMOKE WARNING ECAM ILLUMINATED FOR 3 SECONDS AND WENT AWAY. FLIGHT ATTENDANT CHECKED LAVATORY AND TRASH CAN AND REPORTED EVERYTHING WAS NORMAL. NO SMOKE NO SMELLS. MAINTENANCE RESET THE SMOKE DETECTOR CONTROL UNIT #2 (SDCU) AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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