# SDR AALA201903209005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2019
- Submitted: March 20, 2019
- Operation: Air carrier
- Aircraft: [N178US](https://openairdocs.org/aircraft/N178US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1519
- Aircraft time: 61,068 hours, 23,003 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Lavatory A
- 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/AALA201903209005

## Discrepancy

A LAVATORY SMOKE WARNING DISPLAYED.  NO SMOKE PRESENT, WARNING EXTINGUISHED AFTER 30 SECONDS.  MAINTENANCE TROUBLESHOT THE LAVATORY A SMOKE DETECTOR IAW TSM 26-17-00, AND PERFORMED SATISFCTORY OPERATIONAL CHECK.

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