As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#315, SYR-JFK. 'IN DESCENT THE PARKING BRAKE "ON" MSG. FLASHED INTERMITTENTLY. THE "PRKG BRK NOT RELEASED" MSG. DISPLAYED SEVERAL TIMES BUT NEVER REMAINED DISPLAYED. QRH CHECKLIST PERFORMED; T/S TO EMERGENCY/PARKING BRAKE PRESSURE SWITCH OF THE OUTBD (HYDRAULIC SYSTEM 1) BRAKE SYST. REMOVED AND REPLACED SYST 1 PRESSURE SWITCH. REF TO AMM 32-44-09. FUNCTIONAL TEST AND LEAK CHECK GOOD.'