As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PLATES TO BOTH THE LEFT & RIGHT ATTACHMENT OF AFT WING SPAR TO FUSELAGE FOUND BADLY CORRODED AND NECESSITATED REPLACEMENT.THIS WILL CAUSE DISSIMILAR METAL. THE PLATES ARE RIVETED TO THE AFT SPAR. NEW PLATES ORDERED. ATTACHED PHOTO SHOWS CONDITION. THE ALUMINUM AFT SPAR INSPECTED FOR CONDITION OF CORROSION AND DETERMINDED SERVICEABLE. ADEQUATE CLEANING AND CORROSION TREATMENT APPLY.