As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR STRUCTURE WEB UPPER AND LOWER SURFACE LOCATED BETWEEN FRAME 65 AND FRAME 66, STR 23R IN PASSENGER CABIN. REPLACED FLOOR STRUCTURE WEB LOCATED BETWEEN FRAME 65 AND FRAME 66 AND STR 23R IN PASSENGER CABIN IAW SRM 51-72-11 AND DWG D53474250.