As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDD - LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. AIRCRAFT FERRIED TO FAT FOR MAINTENANCE. REPLACED LANDING GEAR CONTROL MODULE. LANDING GEAR OPERATION NORMAL DURING GEAR SWING. AIRCRAFT RETURNED TO SERVICE. (X)