As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE EN ROUTE, THE CREW RECEIVED A EMERGENCY PARK ACCUMULATOR AMBER CAS MESSAGE. THE CREW FOLLOWED THE PROCEDURES IN THE QUICK REFERENCE HANDBOOK AND COULD NOT CLEAR THE CAS MESSAGE. FLIGHT 4176 THEN DIVERTED TO BGM WHERE, ON FINAL THE MESSAGE CLEARED BY ITSELF. FLIGHT 4176 LANDED WITHOUT FURTHER INCIDENT AND TERMINATED AT BGM.