As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON MAIN CABIN FLOORBEAM UPPER CHORD AND REPAIR ANGLE AROUND UPPER AND LOWER SURFACE OF FASTENER HOLES, STA 365 BL17R TO BL62R. CORROSION FOUND TO BE OUT OF LIMITS, REMOVED DAMAGED SECTION OF FLOORBEAM, FABRICATED NEW FLOORBEAM AND REPAIR ANGLES AND INSTALLED IAW B757 SRM 53-00-51 DURING HMV.