As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, THE AIRCRAFT HAD AN EICAS WARNING MESSAGE FOR THE PARKING BRAKE NOT RELEASED. PERFORMED FIM 32-41-00-810-852-A. REMOVED AND REPLACED THE PARKING BRAKE PRESSURE SWITCH SYS NR 2 IAW AMM 32-44-09, TESTED NORMAL IAW AMM 32-44-09-720-801-A. THE AIRCRAFT WAS RETURNED TO NORMAL OPERATION.