As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE LTPR NR 5001415390-0010 AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. DURING INSPECTION FOUND FLOOR BEAM Y-756 AT FR66-FR70 CORRODED. REQUIRES REPLACEMENT AS PER SRM 51-72-11 REV 44. FLOOR BEAM Y-765 AT FR66-FR70 WAS REPLACED AS PER SRM 51-72-11 REV 44.