As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NOSE GEAR DISAGREE AURAL AND WARNING MESSAGE ON TAKEOFF FROM CLT. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED FUNCTIONAL CHECKS OF THE LANDING GEAR EXTENSION AND RETRACTION SYSTEM USING THE AIRCRAFT MAINTENANCE MANUALS. NO DEFECTS WERE NOTED. AIRCRAFT WAS RELEASED FOR SERVICE.