What was found
PARK BRAKE NOT RELEASED EICAS MESSAGE IN FLIGHT. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R EMERGENCY/PARK BRAKE PRESSURE SWITCH #1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PARK BRAKE NOT RELEASED EICAS MESSAGE IN FLIGHT. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R EMERGENCY/PARK BRAKE PRESSURE SWITCH #1.