As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE GROUND POWER DOOR LEFT OPEN FOR FLIGHT. CREW ELECTED TO RETURN TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND SECURED THE DOOR CLOSED. MAINTENANCE FOUND NO DEFECTS OR DAMAGE. AIRCRAFT WAS RELEASED FOR SERVICE.