As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON AFT CABIN FLOOR BEAM BS986 LBL43 TO RBL43 WL208.1. (MARKED) / REMOVED CORROSION ON AFT CABIN FLOOR BEAM BS 986 LBL 43 TO RBL 43 WL 208.1 IN A 1' X 1' REMOVED .035 ON L/H; REMOVED 1' X 1' REMOVED .030 ON R/H REPAIRED PER EA 1-A53-8241 REV 3