What was found
FOLLOWING TAKEOFF, GEAR RETRACTION FAILED, WITH GEAR STUCK IN-TRANSIT. A NOISE WAS HEARD FROM THE LEFT SIDE OF THE AIRCRAFT AT THE TIME OF FAILURE. EMERGENCY EXTENSION EFFORTS PRODUCED NO RESULTS, AND THE EMERGENCY EXTENSION HANDLE BECAME SEIZED. CONTACT WITH MAINTENANCE PERSONNEL CAUSED THE COPILOT TO OPEN THE CABIN FLOOR OVER THE GEAR DRIVE MECHANISM, AND REVEALED THAT THE LANDING GEAR MOTOR CONTROLLER CIRCUIT BREAKER WAS OPEN. BREAKER WAS RESET, AND THE LANDING GEAR EXTENDED NORMALLY. PRIOR TO LANDING, A FLYOVER OF THE MAINTENANCE PERSONNEL REVEALED THE LEFT MAIN GEAR WHEELS TO BE TURNED APPROXIMATELY 20 DEGREES RIGHT. LANDING WAS COMPLETED WITH NO INCIDENT. INVESTIGATION REVEALED THAT THE LEFT MAIN GEAR TOR