What was found
RT UPPER TORQUE KNEE BROKE AT PIVOT POINT WHERE THE LOWER TORQUE KNEE ATTACHES TO IT. THE PILOT WAS ON TAKEOFF ROLL WHEN HE THOUGHT HE HAD A RT MAIN TIRE BLOW. HE THEN BROUGHT THE ACFT TO A STOP. WHEN THE TORQUE KNEE BROKE, THE TIRE SPUN AROUND AND RIPPED HALF THE TREAD OFF THE TIRE. AIRCRAFT TOTAL LANDINGS, 8,499.