As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED BRAKE FAULT INDICATION ON EICAS, DECLARED EMERGENCY INTO JFK. LANDED WITHOUT INCIDENT. MAINT DISPATCHED TO AC. TROUBLESHOT AND FOUND BRAKE CONTROL MODULE TO BE AT FAULT. REPLACED PER EMB AMM, OPS CHECKED AND FOUND GOOD PER EMB AMM. AC RELEASED BACK TO SERVICE.