As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SUPPORT FROM STA 1640 TO 1681 LBL 0 AT PASSENGER CABIN FLOOR STRUCTURE. CORRECTIVE ACTION: SUMMARY OF NRC 00241: LEVEL CORROSION 2. FLOOR SUPPORTS FROM STA 1640 TO 1681 LBL 0 AT PASSENGER CABIN FLOOR STRUCTURE WITH CORROSION OUT OF LIMITS WERE REPLACED PER B757-200 SRM. (1045432)