What was found
LCQ - MAJOR REPAIR - DURING C-13 CHECK A 1 INCH CRACK WAS FOUND AT FASTENER HOLE ON BS 178 BULKHEAD WEB, RBL 17.1, WL 230. MAINTENANCE CUT OUT CRACK AT RBL 17.1, WL 230; FABRICATED A REPAIR PLATE; INSTALLED REPAIR PART IAW B737-300 SRM 51-70-13 FIG 1 PG 1-5.