What was found
(CAN) AT START OF TAKE OFF ROLL WITH TRQ LESS THAN 50% AND AUTOFEATHER WAS SELECTED BUT HAD NOT ARMED, THE #2 ALT FEATHER PUMP CAME ON AND PROP STARTED TO FEATHER. FLT CREW IMMEDIATELY REDUCE PWR LEVERS TO IDLE. CREW STATE THAT THEY DID NOT OVER TORQUE THE ENGINE. AUTOFEATHER T/S PROBLEM 4 AND 5 CARRIED OUT PER MOC REQUEST. DIODE MATRIX BLOCK P/N 30005-0000-46 FOR AUTOFEATHER SOLENOID REPLACED. TSCU REPLACED AMM 61-26-00, TIB DHC72-08, CHECKS SERVICEABLE. AFH 54148.5, AFC 67626, (TORQUE SIGNAL CONDITIONING UNIT) TSN 42168.2 HRS. 48904 CYC. TSR 15358.6 HRS. 18242 CYC.