As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A DOZEN STUD HOLES FOUND DEEPLY CORRODED AND NEEDED SPECIAL REPAIR IAW MFG INSTRUCTIONS. THE CORROSION IS CAUSED BY DISSIMILAR METALS AND MOISTURE. MFG CANNOT SOLVE THE PROBLEM DEFINITELY BUT SUGGEST METHODS TO SLOW IT DOWN AND DIMINISH DAMAGE TO CASE.