As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NOSE LANDING GEAR FAILED TO EXTEND. NLG EXTENDED AND LOCKED USING EMERGENCY FREE FALL SYSTEM. INVESTIGATION COULD FIND NO CAUSE FOR THE DEFECT. RETRACTION TESTS CARRIED OUT AND AIRCRAFT RETURNED TO SERVICE AND HAS OPERATED NORMALLY SINCE.