As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION CABIN FLOORBEAM AT BS 365.25 12" LEFT OF B/L 0. CUT OUT CORRODED SECTION OF FLOOR BEAM. FABRICATED AND INSTALLED FLOORBEAM REPAIRS 12" BY 1" FROM 7075-T6 .063", 12" BY 1" FROM 7075-T6 .090", 12" BY 1" FROM 7075-T6 .125" AND EXTRUDED TEE 12" BY 3" BY 8" BY 3" FROM 7075-T73 IAW B757 SRM 53-10-51, FIG 204.