# SDR CA131118009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Dhav DHC8311
- Engine: Pwa PW123
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Sensor
- Condition: Malfunctioned
- Location: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA131118009

## Discrepancy

(CAN) THERE WAS AN UNCOMMANDED AUTOFEATHER ON TAKEOFF ON ONE ENGINE. THE ENGINE FEATHERED JUST AFTER THE AUTO-FEATHER SYS ARMED AT APPROXIMATELY 40 KTS.  THE TAKEOFF WAS ABORTED.  THE TORQUE SIGNAL CONDITIONING UNIT AND TORQUE SENSOR WERE REPLACED AND THE ACFT RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.