As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-17 CHECK 2 EACH CRACKS WERE FOUND ON BS 178 BULKHEAD VERTICAL WEB AT LIGHTENING HOLE RBL 17, WL 184. MAINTENANCE CUT OUT DAMAGED SECTION OF BS 178 BULKHEAD VERTICAL WEB AT RBL 17, WL 184; PERFORMED HFEC INSPECTION OF CUTOUT TO VERIFY NO CRACKS EXIST; FABRICATED REPAIR DOUBLER AND NEW REPLACEMENT SECTION OF WEB; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-10-08, PG 288L-288Z, FIG 212.