# SDR TRBA201136305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2011
- Submitted: December 29, 2011
- Operation: Air carrier
- Aircraft: [N407AT](https://openairdocs.org/aircraft/N407AT), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 407
- Aircraft time: 34,711 hours, 33,889 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Failed
- Location: Nr 1
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA201136305

## Discrepancy

NR 1 RECIRCULATING FAN FAULT.  STRONG BURNING ODOR COMING FROM DUCT ASSOCIATED WITH SOME SMOKE.  NR 1 RECIRCULATING FAN REPLACED IAW MM 21-22-21. SYS.  OPERATED AND ITS WORKING PROPERLY.

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