As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2242812) DURING INSPECTION FOUND CORROSION ON FLOOR SUPPORT FROM STA 948 TO 965 LBL46 & LBL24 AT AFT CABIN FLOOR STRUCTURE. FLOOR SUPPORTS FROM STA 948 TO 965 LBL46 & LBL24 AT AFT CABIN FLOOR STRUCTURE WERE REPLACED PER B737-800 SRM 51-40-02-0G.