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 RESERVOIR LOW LEVEL MESSAGE. SECURED YELLOW HYDRAULIC SYSTEM PER COM PROCEDURES. CONTINUED TO FINAL DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 2 ENGINE THRUST REVERSER ISOLATION VALVE FILTER AND RESERVICED SYSTEM. LEAK AND OPERATIONAL CHECK OK.