# SDR AALA202107271349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2021
- Submitted: July 27, 2021
- Operation: Air carrier
- Aircraft: [N106NN](https://openairdocs.org/aircraft/N106NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5932
- Aircraft time: 24,298 hours, 4,977 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PPC120000
- Condition: False Activation
- Location: Lavatory D
- Stage of operation: NR
- 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/AALA202107271349

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: LAVATORY D SMOKE LIGHT IS ON WITH NO SMOKE PRESENT. ACCOMPLISHED TSM 26-17-00-810-804. NO CLASS 3 MESSAGES AND BITE TEST OF THE SMOKE DETECTOR PASSED. ALL CHECKS NORMAL.

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