As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT, LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. SHOWED AMBER AND RED LIGHTS. CHECKLIST BROUGHT ALL GREEN UP NORMAL. LANDING WAS NORMAL. REMOVED AND REPLACED RETRACTION ACTUATOR. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.