As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED DURING CLIMBOUT THE GEAR WOULD NOT RETRACT. THE CREW RECYCLED THE GEAR AND THE GEAR RETRACTED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE LANDING GEAR CONTROL LEVER. OPERATIONAL CHECKS WERE GOOD.