As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) LT MAIN LANDING GEAR ACTUATOR HAD EXCESSIVE INTERNAL END PLAY. INVESTIGATION FOUND THAT THE THREADED RING HAD WORKED LOOSE. THE REASON FOR THE RING WORKING LOOSE WAS THE SET SCREW WAS NOT CORRECTLY LOCKED IN PLACE DUE TO BECOMING THREAD-BOUND BEFORE LOCKING THE RING.