As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH BRAKES (#1 & 2) DIDN'T OPERATE DURING HIGH PWR RUNS. BRAKE TEMP COLD. 1. REMOVED AND REPLACED BCU PER B717 AMM 32-45-01-400-801. BLEED #1 AND #2 MAIN WHEEL BRAKE SYSTEM IN REF. WITH AMM 32-43-01-810-801. TAXIED AIRCRAFT AND PERFORMED OPS CHECK; GOOD.