As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CAPTAIN RECEIVED UNSAFE NOSE GEAR INDICATION AND NOSE LANDING GEAR WOULD NOT RETRACT. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. THE NOSE GEAR WAS FLAT ON ARRIVAL. AIRCRAFT REMOVED FROM SERVICE. REPACKED NOSE STRUT ASSEMBLY. LEAK CHECK AND GEAR SWING CHECK OK. SYSTEM GROUND CHECK NORMAL OPERATION.