As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 684 CORROSION ON FLOOR BEAM BS= 1640 BTW RBL=38 TO LBL=45 AT CPAX. CORRECTIVE ACTION: SUMMARY OF NRC 00427 CORROSION LEVEL 2. FLOOR BEAM T CHORDBS= 1640 BTW RBL=60 TO LBL=60 AT CABIN PAX WAS REPLACED PER B757-200 SRM 53-00-51-2R PROCEDURE 9. (0402123)