What was found
WHILE ACCOMP INSPECTIONS REQUIRED BY AD 95-12-17, A TYPICAL CRACK WAS FOUND IN THE BS 727 FRAME, OUTBOARD CHORD AT STR 18A, LHS. THE CHORD WILL BE REPLACED PER S/B 737-53-1088 AND A PREVENTATIVE MODIFICATION WILL BE ACCOMP PER S/B 737-53A1166. THE S/B REQUIRES CHORD REPLACEMENT PER BAC DWG 65C33722. CURING THE INSTALLATION OF THE EXTERNAL STRAP 69-78770-1. MX WAS UNABLE TO PICK UP THE FASTENER PATTERN SHOWN ON SHEET 1 OF 65C37277 IN THE LWR FWD PORTION OF THE STRAP. THE ER/A ADDRESSES THE DISCREPANCIES IN THE INSTALLATION OF THE EXTERNAL STRAP.