As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE LTPR NR 5001480168-0010 AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. DURING INSPECTION FOUND CABIN FLOORBEAM Y-765 IN FR68 CORRODED. REQUIRED REPLACEMENT IAW SRM 53-41-14 REV 48. FLOORBEAM Y-765 IN FR 68 REPLACED IAW SRM 53-41-14 REV 48. MX ACTION IS ACCEPTABLE.