# SDR AALA202305312181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2023
- Submitted: May 31, 2023
- Operation: Air carrier
- Aircraft: [N4032T](https://openairdocs.org/aircraft/N4032T), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 6644
- Aircraft time: 22,221 hours, 10,229 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PPC120000
- Part serial: 72574
- Condition: False Activation
- Location: Zone 900 - Lav/G
- Part time: 26,607 hours, 10,877 cycles
- Stage of operation: LD
- 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/AALA202305312181

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LAVATORY AFT LEFT SMOKE DETECTOR BEGAN SOUNDING DURING LANDING IN DFW. MAINTENANCE ACCOMPLISHED TSM 26-17-00-810-804-A AND FOUND NO FAULTS. REPLACED SMOKE DETECTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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