# SDR MTNA0905001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2009
- Submitted: May 28, 2009
- Operation: Air carrier
- Aircraft: [N810FX](https://openairdocs.org/aircraft/N810FX), registered now
- Make and model: Aerosp ATR 72 202
- Registry model: [Aerosp ATR 72 202](https://openairdocs.org/model/aerospatiale-atr-atr-72-202) (OpenAirDocs)
- Aircraft serial: 220
- Aircraft time: 26,296 hours, 27,560 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 8930112B50L114
- Part serial: 8583M2
- Condition: False Activation
- Location: Smoke Warning
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA0905001

## Discrepancy

WHILE EN ROUTE FROM MEM TO BHM A SMOKE WARNING LIGHT ILLUMINATED.  THERE WAS NO SMOKE PRESENT.  THE CREW DECLARED AN EMERGENCY AND RETURNED TO MEM.  A SMOKE DETECTOR WAS REMOVED AND REPLACED AND THE SYSTEM CHECKED GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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