As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED UNSAFE LANDING GEAR INDICATION. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND RIGHT MAIN DOWNLOCK INDICATING LOCKED. REPLACED DOWN LOCK SENSOR. SYSTEM GROUND CHECK NORMAL OPERATION.