# SDR AALA202407086713

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2024
- Submitted: July 8, 2024
- Operation: Air carrier
- Aircraft: [N990AU](https://openairdocs.org/aircraft/N990AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7336
- Aircraft time: 23,549 hours, 9,189 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: UNKNOWN
- Condition: False Indication
- Location: Lavatory
- Stage of operation: NR
- 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/AALA202407086713

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT AT 17:13 ZULU SMOKE LAVATORY SMOKE ECAM ILLUMINATED. FLIGHT ATTENDANTS COULD NOT IDENTIFY WHICH LAVATORY ACTIVATED THE WARNING. MAINTENANCE ACCOMPLISHED A TEST OF THE SMOKE SYSTEM USING THE MCDU WITH NO FAULTS NOTED AND RESET THE SYSTEM.

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