As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) PRIOR TO FLIGHT THE PILOT WAS CLOSING THE AIRSTAIR DOOR. WHEN THE INTERNAL DOOR HANDLE REACHED THE LOCKING POINT THE HANDLE SHAFT SHEARED. THE DOOR HANDLE HAD BEEN INSTALLED ONLY 49 HOURS (76 CYCLES) PREVIOUS DUE TO THE SAME DEFECT.