What was found
AIRCRAFT WAS IN CRUISE FLT WHEN THE PILOT ATTEMPTED TO CHANGE LT FUEL SELECTOR FOR FORWARD ENGINE TO A DIFFERENT TANK. WHEN SELECTED THE KNOB STOPPED AT THE 1/2 WAY POINT CAUSING FUEL FLOW AND ENGINE POWER TO DECREASE. THE PILOT SHUT DOWN THE ENGINE AND CONTINUED TO BASE WITHOUT FURTHER INCIDENT. UPON MAINTENANCE INSPECTION, THE SELECTOR CABLE WAS FOUND KINKED. THE SELECTOR MECHANISM AND SELECTOR KNOB MECHANISM WERE BOTH FOUND TO MOVE FREELY. NO OTHER DISCREPENCIES FOUND. NEW CABLE BEING INSTALLED.