As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(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.