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 GALVANIC CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF FLOOR SUPPORT AT LBL 38, BETWEEN BS 1007 AND BS 1014, WL 208. MAINTENANCE REMOVED CORRODED FLOOR SUPPORT AT LBL 38, FROM BS 1007 TO BS 1014; FABRICATED A NEW REPLACEMENT FLOOR SUPPORT PER DWG 65-46812; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-40-02.