As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND HEAVY SURFACE CORROSION THROUGHOUT WING ASSEMBLY. INTERNAL PARTS OF WING WERE NOT PROTECTED FROM THE DAMAGING EFFECTS OF CORROSION DURING MANUFACTURE. REPLACED PART, CLEANED, TREATED, AND PRIMED WITH EPOXY PRIMER. RECOMMEND MANUFACTURE DO LIKEWISE.