What was found
(CAN) DURING TAKEOFF ROLL, THE RT ENGINE AUTOFEATHERED AT LOW SPEEED. MAINTENANCE FOUND THE LOW TORQUE SWITCH HAD FAILED, CAUSING THE PROPELLER TO AUTOFEATHER. THE TORQUE SWITCH IS A TIME-CONTROLLED PART AND HAD ACCUMULATED 15.9 HRS & 11 CYCLES SINCE LAST O/H. THE PART HAD BEEN INSTALLED BY ENGINE CENTER WHEN THE ENGINE WAS THERE, UNDER GOING REPAIR. NEXT O/H WAS DUE 17, DECEMBER 2016. HAVE COPIES OF THE EASA FORM 1 AND VENDOR TAG FOR THE LOW TORQUE SWITCH. ALSO THE COMPONENT INSTALLATION RECORD FROM THE LAST ENGINE SHOP VISIT.