As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT, BRK FAIL CAS MESSAGE APPEARED. NO BRAKE ACTION AVAILABLE FROM MAIN BRAKES. USED EMERGENCY/PARKING BRAKE TO SAFELY POSITION AND STOP THE AIRPLANE.PERFORMED MAIN BRAKE SYSTEM FUNCTIONAL TEST I.A.W PHENOM 300 A.M.M 32-41-00-720-801-A. NO DEFECTS NOTED BRAKE SYSTEM PASSED THE TEST.