As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 4051 THE CREW REPORTED ON TAKEOFF THE LANDING GEAR WOULD NOT RETRACT WITHOUT USING THE DOWNLOCK RELEASE BUTTON. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LANDING GEAR CONTROL LEVER. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RELEASED FOR SERVICE.