As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TANK AND PLANK INSPECTION THE LT AND RT WING TO FUSELAGE ATTACH FITTINGS WERE DISCOVERED TO HAVE MINOR CORROSION ON THE LOWER OB SURFACE. THE WINGS WERE DEMATED TO INSURE THAT CORROSION HAD NOT MIGRATED TO BETWEEN THE WING TO FUSELAGE ATTACH FITTINGS. CORROSION WAS EVALUATED BY ENGINEERING AND AN ENGINEERING INSTRUCTION WAS ISSUED. CORROSION WAS WORKED IAW THE ENGINEERING INSTRUCTION. NO FURTHER ACTION REQUIRED. [CLOSED]