As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE INSPECTION, CABIN FLOOR BEAM WAS FOUND TO BE CORRODED BEYOND LIMITS AT FUSELAGE FRAME NR 36. MAINTENANCE REMOVED DAMAGED PORTION OF FLOOR BEAM AND PERFORMED AN INSERTION REPAIR PER MFR SRM INSTUCTIONS. AIRCRAFT WAS LATER APPROVED FOR RETURN TO SERVICE. (M)