As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FL 551 - AFTER TAKEOFF, CREW HAD GEAR DOOR OPEN INDICATION. FLIGHT RETURNED TO CLT AND LANDED WITH BOTH MAIN LANDING GEAR DOORS OPEN. THE LEFT GEAR DOOR WAS DAMAGED. MAINTENANCE REPLACED THE LEFT LANDING GEAR DOOR SWITCH AND THE LEFT MAIN LANDING GEAR DOOR. (M)