As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT WING TOP SKIN - AFTER REMOVAL OF OVERWING FILL PORT ADAPTOR, FOUND CORROSION ON SKIN CUTOUT. CORROSION REPAIR CARRIED OUT ON RT WING TOP SKIN IAW EA F-5730-137696 (RT WING TOP SKIN FUEL PORT CORROSION REPAIR). REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100.