As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 660 CORROSION ON ANLGE "Z" FROM STA. 690 TO 730 LBL 52 AT PASSENGER FLOOR STRUCTURE. CORRECTIVE ACTION: SUMMARY OF NRC 00579: ANLGE "Z" FROM STA. 690 TO 730 LBL 52 AT PASSENGER FLOOR STRUCTURE WAS REPLACED PER B757-200 SRM. (2790487)