As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DECLARED EMERGENCY DUE TO PKNG BRK NOT RLSD MSG. FLT LANDED SAFE. PARKING BRAKE NOT RELEASED IN FLT CAUTION AFTER QRH PROCEDURES PARKING BRAKE FAULT ADVISORY CAME ON-C/A-REMOVED AND REPLACED PARKING BRAKE PRESSURE SWITCH IAW E175 AMM 32-44-09. TESTED SATISFACTORY