As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - (REPEAT ITEM) CREW REPORTED GEAR DOOR INDICATION AFTER RETRACTION. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT MAIN LANDING GEAR DOOR SAFETY VALVE. SYSTEM GROUND CHECK NORMAL OPERATION.