As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED GEAR DOOR OPEN LIGHT ILLUMINATED AFTER GEAR EXTENSION. EMERGENCY DECLARED FLIGHT LANDED DFW WITHOUT INCIDENT. AIRCRAFT LANDED WITH MAIN LANDING GEAR DOORS OPEN. GEAR DOOR SKID PLATES UTILIZED UPON LANDING. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT MAIN GEAR DOOR SENSOR AND LEFT AND RIGHT GEAR DOOR SKIDS. SYSTEM GROUND CHECK NORMAL OPERATION.