As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS FLIGHT 4059 LINED UP ON THE RUNWAY THE CREW RECEIVED A PROXI SYSTEM FAIL CAS MESSAGE AND A PROXI LOCK FAIL CAS MESSAGE. THE CREW PULLED OFF THE RUNWAY AND RETURNED TO THE GATE. THE AIRCRAFT WAS THEN FERRIED TO PITTSBURG. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND MAIN LANDING GEAR DOWNLOCK PROXI HARNESS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-30-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.