# SDR SIMA20120321004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2012
- Submitted: March 22, 2012
- Operation: Air carrier
- Aircraft: [N673AE](https://openairdocs.org/aircraft/N673AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145797
- Aircraft time: 20,670 hours, 17,831 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Sensor
- Part number: FDS765A2
- Part serial: 204532
- Condition: Faulty
- Location: Lavatory
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20120321004

## Discrepancy

ON FLIGHT 4335 THE CREW REPORTED WHILE AT THE GATE AFTER THE PLANE LANDED THEY RECEIVED A LAV SMOKE WARNING.  NO EVIDENCE OF FIRE OR SMOKE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE LAV SMOKE SENSOR IAW EMB 145 AMM 26-14-01.  THE OPERATIONAL CHECK WAS GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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