As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN EXTERNAL POWER DOOR LEFT OPEN DURING FLIGHT. CREW ELECTED TO RETURN TO TLH AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND SECURED THE DOOR CLOSED. NO DAMAGE NOTED AT THIS TIME. AIRCRAFT WAS RELEASED FOR SERVICE.