As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN MLG TRAILING LINK WAS REMOVED FOR TREATING MINOR CORROSION THE LINK PIN WAS FOUND CORRODED INSIDE AT THE LOCK NUT END. THE LINK PIN IS OPEN AT THE IB END WHEN INSTALLED AND HAD ACCUMULATED SAND AND OTHER DEBRIS AND WATER CAUSING THE CORROSION. THE NEW LINK PIN THAT WAS INSTALLED IS CLOSED AT THE IB END AND FITTED WITH A GREASE NIPPLE. THE LINK PIN IS FILLED WITH GREASE AFTER INSTALLATION TO PREVENT THIS PROBLEM FROM REOCCURRING.