As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LINK FAILED AFTER TAKEOFF AND GEAR WOULD NOT COME UP. FORTUNATELY IT WENT BACK DOWN AND AIRCRAFT LANDED NORMALLY. IT COULD HAVE BEEN WORSE VERY EASILY. I WAS ALSO INFORMED BY OPERATOR THAT THIS IS THE SECOND TIME THAT THIS HAS HAPPENED.