As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE CENTER WING UPPER PANEL CORRODED AT FRONT SPAR BETWEEN CL AND XCW 8.0. AFTER FURTHER EVALUATION, BOEING CERTIFIED THE BLENDED UT AREA AS A PERMANENT REPAIR AND BEEN COMPLETED WITH ALL THE REQUESTED PROVISIONS AT FRONT SPAR BETWEEN CL AND XCE 8.0 IAW MD-11, BOEING MESSAGE: WGN-WGN-25-0035-04C. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.