As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE CREW RECEIVED A RIGHT HAND PACK FAIL CAS MESSAGE AND RETURNED TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE 13 HB RELAY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 21-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.