# SDR ASOA20140922107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2014
- Submitted: September 25, 2014
- Operation: Air carrier
- Aircraft: [N15983](https://openairdocs.org/aircraft/N15983), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145239
- Aircraft time: 35,355 hours, 27,008 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: FDS765A2
- Part serial: 203410
- Condition: Faulty
- Location: Lavatory
- Part time: 22,993 hours, 16,819 cycles
- Stage of operation: CR
- 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/ASOA20140922107

## Discrepancy

PILOT REPORTED A LAV SMOKE MASTER WARNING ON THE EICAS DURING FLIGHT.  OCCURED TWICE FOR APPOXIMATELY 10 SECONDS EACH TIME.  MX R & R THE LAVATORY SMOKE SENSOR, OPS CHECKED GOOD.  ACFT WAS APPROVED FOR RETURN TO SERVICE.

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