As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ARRIVED AT PLANE TO FIND THE FLIGHT DECK ESCAPE HATCH LEAKING WATER ON TO THE OVERHEAD PANEL & THE LOWER PEDESTAL. REMOVED CREW ESCAPE HATCH. APPLIED DC4 TO STOP LEAK, TO SEALS. REINSTALLED CREW ESCAPE HATCH IAW CRJ 52-22-00. OPERATIONS CHECKED GOOD.