As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PASSENGER DOOR DEPARTED ACFT MID-FLIGHT. THE ACFT LANDED AT THE NEAREST AIRPORT WITH NO INCIDENTS. THE DOOR WAS NOT RECOVERED. THE REAR DOOR RETAINING BRACKET, AD2010-25-01 WAS INSTALLED. DOOR NOT PROPERLY SECURED BEFORE FLIGHT AND CAME LOOSE SOMETIME DURING 50 MINUTE FLIGHT.