What was found
AFTER PILOT WASHED AIRCRAFT, BS 8081, WL 1300 ON PILOTS SIDE OF TAIL BOOM THERE WAS A 2.5 INCH CRACK SEEN BETWEEN THE MOUNTED STRINGER RIVET LINES. A SECOND CRACK WAS LOCATED AT BS 8085, WL 1400 ON PILOTS SIDE OF TAILBOOM THERE WAS A 2.25 INCH CRACK NOTED AFTER A DYE PEN INSPECTION ON THE UPPER STRINGER RIVET LINE. AFTER FURTHER INSPECTION, A THIRD CRACK WAS LOCATED AT BS 7826, 3 INCHES LEFT OF BL ON ATTACHMENT RING FOR FLUX VALVE AND VHF ANTENNA COVER SUPPORT. CRACK ON ATTACHMENT RING IS APPROXIMATELY 2.25 INCHES LONG THROUGH RING CHANNEL.