As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING THROUGH FL 380 YELLOW CAS BRK FAIL. COMPLETED BRK FAIL QRH. LANDED AND STOPPED PULLING THE PARKING BREAK LEVER AS PER THE QRH INSTRUCTIONS. REMOVED BRAKE CONTROL UNIT DUE TO "BRAKE FAULT" CAS MESSAGE. REMOVED BRAKE CONTROL UNIT. INSTALLED MODIFIED BRAKE CONTROL UNIT IAW MM 32-41-01. PERFORMED OPERATIONAL CHECK WITH NO DEFECTS NOTED.