As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT RIGHT BRAKE WAS BINDING. RETURNED TO FBO AND RECEIVED A BRK FAIL CAS MESSAGE UPON SETTING THE PARKING BRAKE. REMOVED FAULTY BRAKE CONTROL UNIT P/N OAP00100-11, SN 352960458 AND REPLACED IT WITH MODIFY BCU, AND PERFORMED SATISFACTORY OPERATIONAL CHECKS. ALL MAINTENANCE PERFORMED IAW AMM 32-41-01-400-801-A. NO FURTHER DEFECTS NOTED AT THIS TIME.