What was found
PILOT NOTED "I OBSERVED A RUNAWAY ENGINE CONDITION, MY TORQUE AND NG GUAGES CLIMBED TO REDLINE WITH MY POWER LEVER IN IDLE POSITION. I DECIDED TO CLIMB TO 9500 FT AND CONTINUE TOWARDS KING SALMON ALASKA. MY ITT GUAGE SLOWLY CLIMBED TO A MAXIMUM OF 900C. ONCE OVER THE KING SALMON AIRPORT ,I ATTEMPTED TO DESCEND WITH MY POWER AT FULL INDICATION. I WAS ABLE TO DESCEND TO AROUND 5-6000 FEET. I MOVED THE CONDITION LEVER TO CUTOFF AND MADE A LANDING ON RUNWAY 12 WITH OUT ENGINE POWER.