As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK CORROSION WAS FOUND ON FLOOR SUPPORT UNDER FLANGE IN AFT CARGO COMPARTMENT BS 859, RBL 3. MAINTENANCE CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; CUTOUT DAMAGED SECTION OF FLOOR SUPPORT BS 859, RBL 3; FABRICATED A CHANNEL FILLER AND 2 EACH REPAIR ANGLES; INSTALLED REPAIR PARTS IAW SRM 53-00-53 PG 201-202, FIG 201.