As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LOWER AFT SIDE OF FLOORBEAM TO CAP AT FLOORBOARD ATTACH FWD HOLE AT FS 720D, LBL 48, WL 208. REMOVED CORROSION AND FLOORBEAM WAS FOUND TO BE OUT OF LIMITS. FABRICATED REPAIR PARTS AND INSTALLED. REMOVED UPPER "T" CHORD CAP FROM LBL 10 - LBL 68. REF FED EX DWG SR 27-53-034. THIS IS CLASSIFIED AS A MAJOR REPAIR.