As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NOSE GEAR WOULD NOT RETRACT AND GEAR DISAGREE MASTER WARNING AFTER TAKEOFF FROM XNA. CREW RETURNED TO XNA AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED CHECKS OF LANDING GEAR EXTENSION AND RETRACTION SYSTEM USING AIRCRAFT MAINTENANCE MANUALS. NO DEFECTS OR FAULTS FOUND. AIRCRAFT RELEASED FOR SERVICE.