# SDR AALA202305169671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2023
- Submitted: May 16, 2023
- Operation: Air carrier
- Aircraft: [N840AW](https://openairdocs.org/aircraft/N840AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 2690
- Aircraft time: 50,127 hours, 24,934 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Control Unit
- Condition: False Activation
- Location: Zone 100 - Fuse
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202305169671

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY SMOKE DETECTOR IS FAULTING WITH FALSE WARNING. MAINTENANCE RESET SMIOKE DETECTION CONTROL UNIT AND PERFORMED OPERATIONAL TEST OF LAVATORY SMOKE DETECTION PER AMM 26-17-01 WITH NO FAULTS NOTED.

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