What was found
THE ROLL PIN THAT HOLDS THE LOCK MECHANISM FOR THE CARGO TIE-DOWN FITTING, PN 22555-71, SHEARED CAUSING THE CARGO STRAP TO COME LOOSE AND THE LOAD TO SHIFT. THE LOAD SHIFT CAUSED THE AIRCRAFT IN QUESTION TO FALL ONTO THE TAIL TIE-DOWN AFTER THE ENGINE WAS SHUT DOWN. (X)