As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND UNDER THE AIRCRAFT DATA PLATE. CORROSION WAS REMOVED AND BLENDED. NDT FOUND SKIN AT .021IN. INSTALLED DOUBLER OF .040IN AND REINSTALLED DATA PLATE. WORK WAS PERFORMED BY TECHNICAIR GRAND RAPIDS MI ON THEIR WORK ORDER S66-24-66992.