As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDED UNDER AMBER ALERT DUE TO LOSS OF GREEN HYDRAULIC SYSTEM. AIRCRAFT TOWED TO GATE. GREEN HYDRAULIC INDICATOR JUST ABOVE THE YELLOW BAND. FOUND LEFT YAW DAMP ACTUATOR LEAKING AT ROD SEAL BEYOND 20 DROPS PER MINUTE. REPLACED ACTUATOR.