As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED NOSE LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. GEAR HANDLE WAS LOWERED AND NORMAL THREE GREEN WITH LANDING. AIRCRAFT REMOVED FROM SERVICE. REPLACED NOSE GEAR SHORT SEALS AND ACCOMPLISHED NOSE LANDING GEAR STRUT REPACK. SYSTEM GROUND CHECK NORMAL OPERATION.