As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS THE AIRCRAFT WAS TAXIING ON TO THE RUNWAY RECEIVED A PACK FAIL CAS MESSAGE. THE CREW ADVISED TOWER OF NEED TO EXIT THE RUNWAY. THE CREW WENT THRU THE QRH AND THE CAS MESSAGE CLEARED. RE-ENTERED THE RUNWAY AND DEPARTED WITHOUT FURTHER INCIDENT.