# SDR CA050725012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2005
- Submitted: August 3, 2005
- Operation: General aviation
- Make and model: Aerosp ATR42-500
- Registry model: [Aerosp ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500) (OpenAirDocs)
- Engine: Pwa PW127
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Autofeather Sys
- Part number: 30048000018
- Condition: Unserviceable
- Location: Propeller
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA050725012

## Discrepancy

(CAN) DURING CLIMB, THE AIRCRAFT YAWED, ACCOMPANIED BY AN ENGINE TORQUE INDICTION OF ZERO.  THE CREW SHUT THE ENGINE DOWN IN FLIGHT.  THE ENGINE WAS THEN SUCCESSFULLY RE-STARTED.  THE AUTOFEATHER UNIT WAS SUBSEQUENTLY REPLACED AND AIRCRAFT RETURNED TO SERVICE.

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