As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE LINE MAINTENANCE IN CVG MAINTENANCE DISCOVERED INTERCOSTAL AND STRINGER AT STATION 1263-1285 29L CORRODED. AIRCRAFT WAS GROUNDED BY MAINTENANCE. MAINTENANCE REMOVED CORRODDED STRUCTURE AND INSTALLED NEW INTERCOSTAL AND STRINGER SECTION IAW B767 SRM 51-40-02. AND 53-00-03. FIG. 201. AIRCRAFT RETURNED TO SERVICE.