As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RT LATERAL CENTRAL CONTROL ACTUATOR FILTER COVER `O' RING SEAL DISPLACED. LOSS OF CENTER HYDRAULIC SYSTEM FLUID. INVESTIGATION FOUND THAT THE FILTER COVER CONTAINED A CIRCUMFERENTIAL CRACK INTHE THREADED PORTION EXPOSING THE SEAL TO HYDRAULIC PRESSURE WHICH THEN LED TO THE FAILURE OF THE `O' RING SEAL P/N NAS1611029.