What was found
DURING C-17 CHECK A .5 INCH CRACK WAS FOUND ON BS 178 BULKHEAD WEB ON FORWARD SIDE AT EDGE OF STRAP RUNNING VERTICALLY, RBL 4.75, WL 212. MAINTENANCE CUT OUT CRACK ON BS 178 BULKHEAD WEB ON FORWARD SIDE AT RBL 4.75, WL 212; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PART IAW B737-300 SRM 53-10-08, PG 287-288J, FIG 211.