As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED GEAR DISAGREE MESSAGE (RIGHT MAIN) UPON GEAR RETRACTION. CREW RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED, ADJUSTED UPLOCK PROXIMITY SENSOR AND PERFORMED CHECKS OF LANDING GEAR EXTENSION AND RETRACTION SYSTEM USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.