As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, RECEIVED HYD Y RSVR LO LVL MESSAGE. FOLLOWED COM PROCEDURES, CONTINUED TO FINAL DESTINATION, AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED HYDRAULIC LINE BETWEEN THE AUTO BRAKE SELECTOR AND PARK BRAKE VALVE. NO OTHER LEAK NOTED.