What was found
AIRCRAFT WAS LOADED WITH 1600LBS OF FERTILIZER AND WAS TAKING OFF TO THE SOUTH ON A DIRT RUNWAY. PILOT WAS APPROACHING 65 MPH, WHEN THE RT MAIN WHEEL AND TIRE SEPARATED FROM THE AIRCRAFT. PROPELLER STRUCK THE GROUND SEVERAL TIMES, CAUSING THE AIRCRAFT TO FLIP OVER AND CAME TO REST FACING NORTH. INSPECTORS FOUND BRAKE ATTACHMENT CLIP APPROX 270 FEET FROM AIRCRAFT WRECKAGE ON THE RUNWAY. RT WHEEL AND TIRE ASSY. STILL HAD THE AIRCRAFT AXLE ATTACHED. THREE ATTACHMENT BOLTS THAT SECURE THE AXLE SHAFT TO THE RT SPRING GEAR HAD SHEARED OFF. TWO OF THE THREE BOLTS SHOWED SIGNS OF CORROSION, BEFORE SHEARING.