What was found
MCN - MAJOR REPAIR - DURING C-14 CHECK A .375 INCH CRACK WAS FOUND ON BS 178 BULKHEAD WEB, RBL 17.1, WL 183. MAINTENANCE CUT OUT DAMAGED SECTION OF BULKHEAD WEB, RBL 17.1, WL 183; FABRICATED A DOUBLER AND NEW SECTION OF WEB; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-40-02, PG 10-11.