As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT AND THAT THE LANDING GEAR HANDLE WAS STUCK IN DOWN POSITION. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. THE ACFT WAS FOUND SAFE FOR FERRY FLIGHT. SDF MX REPLACED THE LANDING CONTROL LEVER. OPS CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.