As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FLOOR BEAM STA 365 FROM BL 0 TO RBL 30 AT PASSENGER CABIN FLOOR STRUCTURE. AMDS 2020-2427. CPAX. SUMMARY OF NRC 00340 (CORROSION LEVEL 2) FLOOR BEAM STA 365 FROM BL 0 TO RBL 30 AT PASSENGER CABIN FLOOR STRUCTURE WAS REPAIRED PER B757-200 SRM 53-00-51 REPAIR 10.