As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 663 CORROSION ON FLOOR BEAM STA 377.7 FROM LBL 55 TO LBL 62 AT PASSENGER CABIN FLOOR STRUCTURE (IN REF NRC: 00883). CORRECTIVE ACTION: SUMMARY OF NRC 00887. FLOOR BEAM STA 377.7 FROM LBL 55 TO LBL 62 AT PASSENGER CABIN FLOOR STRUCTURE WAS REPAIRED PER B 757-200 SRM. (1846834)