# SDR R61A201411271210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2014
- Submitted: December 1, 2014
- Operation: Air carrier
- Aircraft: N819MD
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000040
- Aircraft time: 26,979 hours, 20,137 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PU90471WR3
- Part serial: 08343
- Condition: False Activation
- Location: Lavatory
- Part time: 1,309 hours, 1,065 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A201411271210

## Discrepancy

CREW RECEIVED A LAVATORY SMOKE ALARM MESSAGGE.  F/A CONFIRMED NO FIRE,  DECLARED AN EMERGENCY AND RETURNED. LANDED WITHOUT INCIDENT.   FORWARD LAVATORY SMOKE DETECTOR WAS R & R IAW AMM.  OPS CHECKED GOOD.

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