As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER LANDING, THE CAPTAIN'S LEFT BRAKE FAILED AT APPROXIMATELY 80 KNOTS. THE BRAKES BEGAN WORKING AGAIN WHEN THE AIRCRAFT SLOWED TO 20 KNOTS. MAINTENANCE REPLACED THE BRAKE CONTROL UNIT. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.