As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) L2 OUTER DOOR HANDLE MOVED TO VERTICAL POSITION AFTER DEPARTURE. DURING INVESTIGATION, THE WHOLE HANDLE AND SHAFT ASSEMBLY CAME AWAY FROM THE DOOR. A LOOSE CASTELLATED NUT AND SHIMS WERE FOUND IN THE HOUSING ASSEMBLY. FURTHER INVESTIGATION FOUND A DEFORMED SPLIT PIN IN THE BOTTOM OF THE DOOR STRUCTURE.