As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6812 CORROSION ON FLOOR CHANNEL BTW STA 1661 AND 1681 LBL 55 , AT PASSENGER FLOOR STRUCTURE. CORRECTIVE ACTION: SUMMARY OF NRC 00424 FLOOR CHANNEL BTW STA 1661 AND 1681 LBL 55, AT PASSENGER FLOOR STRUCTURE WAS REPLACED PER B757-200 SRM.(1349036)