As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED BRAKES WERE RELEASING PRESSURE WHILE BEING APPLIED ON THE CAPTAIN`S PEDALS. MX INSPECTED AND PERFORMED BRAKE SYS OPS CHECKS AND HYD SYS CHECKS. NO DEFECTS OR LEAKS WERE NOTED. OPS CHECKS OF THE ACCUMULATOR WERE GOOD. NO EICAS OR CMC MESSAGES WERE FOUND. THE ACFT WAS RELEASED FOR SERVICE.