What was found
(CAN) ENGINE, RUNAWAY/IFSD SHORTLY AFTER TAKEOFF, THE CREW REPORTED ENGINE UNCOMMANDED POWER INCREASE, THE POWER LEVER WAS RETARDED WITH NO EFFECT. THE PILOT ELECTED TO RETURN TO AIRPORT, SHUTDOWN ENGINE DURING APPROACH AND PERFORMED AN UNEVENTFUL DEAD STICK LANDING. LOCAL MFG FSR WILL PARTICIPATE IN ENGINE INSTALLATION PRELIMINARY EXAMINATION PRIOR TO ENGINE REMOVAL. IT HAS BEEN REQUESTED THAT ENGINE BE SENT TO MFG PLT 5 FOR INVESTIGATION.