As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MLG WOULD NOT FULLY EXTEND. WITH SECOND PILOT FLYING AIRCRAFT, PILOT USED A MODIFIED GOLF CLUB TO PULL GEAR INTO LOCK POSITION THROUGH OPENED PILOT'S DOOR. INVESTIGATION FOUND ROD END BEARING BROKEN. SUBMITTER RECOMMENDED AD BE ISSUED REMOVING THIS PART AND INSTALLING NEW MODIFIED PART THAT IS NOW AVAILABLE. THIS WOULD PREVENT A GEAR-UP LANDING.