As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2250697) DURING INSPECTION FOUND CORROSION ON FLOOR SUPPORTS FROM STA 947 TO 998 RBL 47 AT AFT PAX CABIN FLOOR STRUCTURE. FLOOR SUPPORT FROM STA 947 TO 998 RBL 47 AT AFT PAX CABIN FLOOR STRUCTURE WAS REPLACED PER B737-800 SRM 51-40-02-0G.