As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ANNUAL INSPECTION OF THIS AIRCRAFT, A CONSIDERABLE AMOUNT OF CORROSION OF THE RIGHT WING SPAR WAS FOUND WITH SOME FORM OF DELAMINATION. THE PRIMARY CORROSION WAS FOUND ON THE RIGHT WING SPAR NEAR THE RIB ONTO WHICH THE LANDING GEAR IS ATTACHED.