As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DISSIMILAR METAL CORROSION BETWEEN AFT WING SPAR AND SPAR ATTACH PLATE. SUBMTTER SUGGESTED TO REMOVE PLATE AND PUT INSULATOR COMPOUND BETWEEN PLATE AND SPAR. ALSO, FOUND DISSIMILAR METAL CORROSION BETWEEN STABILATOR ATTACH FITTING STEEL CHANNELS AND REAR BULKHEAD.