As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 694 SEVERAL CORROSIONS ON FLOOR STRUCTURE CHANNEL (UPPER/LOWER SKIN) BTW STA 1640-1661 BL 0.0 AT PAX CABIN. CORRECTIVE ACTION: SUMMARY OF NRC 00320 FLOOR STRUCTURE CHANNEL ( UPPER/LOWER SKIN) BTW STA 1640-1661 BL 0.0 AT PAX CABIN WAS REPLACED PER B757-200 SRM. (2649399)