As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5654 N REFERENCE TO NRC 00433. CORROSION ON INTERCOSTAL (LOWER SILL AREA) BTW STA. STA 720-740 AND LBL.63 AT FLOOR STRUCTURE OF PASSENGER CABIN. CORRECTIVE ACTION: SUMMARY OF NRC 00474. INTERCOSTAL (LOWER SILL AREA) BTW STA. STA 720-740 AND LBL.63 AT FLOOR STRUCTURE OF PASSENGER CABIN WAS REPLACED PER B757-200 SRM. (0755613)