As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT AFTER BEING SELECTED. THE AIRCRAFT RETURNED TO POINT OF DEPARTURE AND LANDED NORMALLY. THE AIRCRAFT WAS HANGARED AND A GEAR SWING CARRIED OUT, THE FAULT COULD NOT BE DUPLICATED. THE AIRCRAFT WAS RETURNED TO SERVICE.