As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE LTPR NR5001382069-0010 AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. DURING INSPECTION FOUND CABIN FLOOR BEAM Y254 AT FR14 CORRODED. REQUIRES REPLACEMENT AS PER SRM 51-72-11 REV 43. FLOOR BEAM Y254 AT FR12-25 REPLACED AS PER SRM 51-72-11 REV 43. /END/.