As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK FLOOR STRUCTURE CREASE BEAM PROFILE AT LBL 64 HAS CORROSION BETWEEN BODY STA 1040 AND BODY STA 1080. REPAIRED CREASE BEAM INBOARD CHRORD AT LBL 64 BETWEEN STA 1040 TO STA 1080 MAIN DECK FLOOR STRUCTURE IAW B757 SRM 53-00-13-2R FIG 201 SHEET 1 TO 3. MAJOR REPAIR.