As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED GEAR DISAGREE RED MESSAGE UPON GEAR SELECTED DOWN. THE QRH WAS ACCOMPLISHED CYCLING GEAR AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE ACCOMPLISHED AN OPERATION CHECK OF THE LANDING GEAR RETRACTION AND EXTENSION SYSTEM PER AIRCRAFT MANUALS WITH NO DEFECTS NOTED. AIRCRAFT RELEASED FOR SERVICE.