As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK INFLIGHT T1298/05MAY - LEFT HYDRAULIC SYSTEM LOST IN FLIGHT. LANDED JFK WITHOUT INCIDENT. REPLACED RIGHT MAIN LANDING GEAR DOWNLOCK ACTUATOR LINE AND REPLACED LEFT ENGINE DRIVEN HYDRAULIC PUMP, CASE AND RETURN FILTER. SYSTEM GROUND CHECKED NORMAL OPERATION.