# SDR CA070514015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2007
- Submitted: June 7, 2007
- Operation: General aviation
- Make and model: Aerosp ATR72
- Engine: Pwa PW127
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Condition: Unserviceable
- Stage of operation: AP
- How discovered: O
- Nature of condition: R
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA070514015

## Discrepancy

(CAN) ON APPROACH, THE ENGINE EXPERIENCED UNCOMMANDED TORQUE REDUCTIONS ACCOMPANIED BY FEATHERING OF THE PROPELLER.  THE ENGINE WAS SHUTDOWN IN FLIGHT.  THE ENGINE AUTO-FEATHER UNIT WAS SUBSEQUENTLY REPLACED. (TC NR 20070514015)

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