As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OUR INITIAL INSPECTION OF THIS AIRCRAFT, DISCOVERED SEVERE INTERGRANULAR CORROSION ON UPPER AND LOWER REAR SPAR CAPS. THE AREA OF CORROSION IS LOCATED INSIDE THE MAIN GEAR WELL ON BOTH LEFT AND RT WINGS. NOTE: THIS AIRCRAFT IS OPERATED IN A SALT AIR ENVIRONMENT FOR THE LAST YEAR.