What was found
LCQ - MAJOR REPAIR - DURING C-18 CHECK 2 EACH CRACKS WERE FOUND ON BS 178 BULKHEAD WEB, APPROXIMATELY WL 196.75 TO WL 198, AT APRON OF RBL 5. MAINTENANCE CUTOUT CRACKS AT RBL 5, WL 196.75 AND WL 202; PERFORMED HFEC INSPECTION OF CUTOUTS TO VERIFY NO CRACKS EXIST; FABRICATED A REPAIR DOUBLER AND 3 EACH FILLERS; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-10-08, FIG. 210, PG. 275 - 279.