What was found
CENTER WING UPPER PANELCORRODED AT RH APPROX STA 1219, XCW 16.0, S-16. AFTER FURTHER EVALUATION, BOEING CERTIFIED THE BLENDED OUT AREA AS A PERMANENT REPAIR AND BEEN COMPLETED WITH ALL THE REQUESTED PROVISIONS AT CENTER WING UPPER PANEL RH APPROX STA 1219, XCW 16.0, S-16 IAW MD-11, BOEING MESSAGE: WGN-WGN-25-0035-04C. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.