As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND MODERATE TO SEVERE CORROSION ON THE INTERIOR OF LEFT FLAP DURING RE-SKIN FOR HAIL DAMAGE. CORROSION WENT COMPLETELY THROUGH THE OUTBOARD RIB ON THE INBOARD HINGE BRACKET. THE ONLY WAY TO INSPECT THIS AREA IS BY REMOVING THE SKIN.