As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(HYDRAULIC LINE) ENROUTE, LEFT HAND HYDRAULIC SYSTEM LOSS OF ALL FLUID IN FLIGHT. RETURNED TO AIRPORT AND LANDED WITHOUT INCIDENT. REPLACED HYDRAULIC LINE TO DOWNLOCK ACTUATOR, ENGINE DRIVEN PUMP AND ENGINE DRIVEN PUMP FILTERS. SYSTEM GROUND CHECKED NORMAL OPERATION.