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 EXFOLIATION CORROSION WAS FOUND ON THE UPPER SURFACE OF RT CREASE BEAM (INNER CHORD) AT R-2 DOORWAY BS 950 - BS 986.5, RBL 66. MAINTENANCE REMOVED RT CREASE BEAM BETWEEN BS 950 TO BS 986.5, RBL 66; FABRICATED A NEW FLOOR SUPPORT AND INSTALLED REPAIR IAW B737-300 SRM 51-40-02 PG 3-4 AND DWG 65-45855.