As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON INBOUND FLIGHT, THE PRIMARY HYDRAULIC SYSTEM FAILED. AIRCRAFT WAS LANDED AT THE FIRST AVAILABLE PLACE. INSPECTED AND FOUND PRIMARY HYDRAULIC TANK EMPTY DUE TO LEAK AT SPLIT HYDRAULIC FITTING JAM NUT. REMOVED AND REPLACED WITH A SERVICEABLE NUT AN ORING. REPLACED HYDRAULIC PUMP DUE TO POSSIBLE RUN DRY CONDITION. LEAK AND OPS CHECK OK.