What was found
DURING INSPECTION FOUND FRAME CRACKED AT BS 400, STRINGER 15L CUT OUT. CRACK IS APPROXIMATELY .30 INCH LONG RUNNING FROM STRINGER CUT OUT TO FASTENER HOLE. HFEC INSPECTED EXISTING FASTENER HOLE FOR CRACK CONTAINMENT. NO ADDITIONAL CRACKS FOUND. FABRICATED REPLACEMENT DOUBLER AND TIRPLER AND NEW STRINGER TIE CLIP. INSTALLED PER STANDARD PRACTICES. CONTINUE CURRENT INSPECTION REQUIREMENTS PER SB 747-53A2265 UNTIL SB 53-2272 IS COMPLETED AT OR BEFORE 20,000 CYCLES. (M)