As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 654 CORROSION ON BOX BEAM BTW STA 324/345 AND LBL 21 APPROX AT PAX CABIN FLOOR STRUCTURE. CORRECTIVE ACTION: SUMMARY OF NRC 00534 BOX BEAM BTW STA 324/ 345 AND LBL 21 APPROX AT PAX CABIN FLOOR STRUCTURE WAS REPLACED PER B757-200 DWG 141N5170, REV. (F) AND BAC 1500. (2383416)