As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2243383) DURING INSPECTION FOUND CORROSION ON FLOOR SUPPORTS FROM STA 950 TO 965, RBL 16 & RBL 25 AT AFT PAX CABIN FLOOR STRUCTURE. FLOOR SUPPORT FROM STA 950 TO 965, RBL 25 WAS REPLACED PER B737-800 SRM 51-40-02-0G PAR. 7 AND REPAIR FILLER ON FLOOR SUPPORT FROM STA 950 TO 965. RBL 16 WAS REPLACED PER ER/A 485075-14 REV. ORIGINAL.