As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6810 SECONDARY NRC, IN REF. NRC # 00671: CORROSION ON FLOOR BEAM (LWR FACE) AT STA 1681.8, BTW RBL 23 TO RBL 25.5. CORRECTIVE ACTION: SUMMARY OF NRC 00678: FLOOR BEAM (LWR FACE) AT STA 1681.8, BTW RBL 23 TO RBL 25.5. WAS REPAIRED PER B757-200 SRM. (2510410)