As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) LH ENGINE PROPELLER GOVERNOR LEAKING OIL FROM THE REAR BODY JOINT - INVESTIGATION FOUND THE TWO SCREWS ATTACHING THE SPEED SETTING SHAFT EXTERNAL RETURN SPRING BRACKET TO THE GOVERNOR BODY WERE LOOSE BUT STILL LOCKWIRED ALLOWING A GAP TO EXIST