As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C-CK INSPECTION, SHIMS WERE FOUND TO BE MIGRATING FROM UNDER THE ATTACHMENT FITTING FROM THE PRESSURE BOX CROSSBEAM TO THE SIDE STAY ACTUATOR FITTING RT WHEEL WELL. MAINTENANCE COMPLIED WITH EC/TC REO 601R53-41-101 01 AS WRITTEN, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE ON 09/25/16.