As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATELY 1.5 HOURS AFTER DEPARTURE FROM KOPF EN ROUTE TO CYWG, BOTH LEFT AND RIGHT HYDR PRESS LIGHTS ON THE ANNUNCIATOR PANEL ILLUMINATED. EMERGENCY WAS DECLARED AND AIRCRAFT DIVERTED TO KMSP FOR SUCCESSFUL LANDING. A/C IS IN MAINTENANCE AT THIS TIME FOR EVALUATION AND CORRECTIVE ACTION(S).