As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO ATL DUE TO LOSS OF HYDRAULIC PRESSURE. *S/D* LT YAW DAMPER ACTUATOR DEVELOPED A PIN HOLE LEAK WHICH CAUSED THE HYD SYSTEM (GREEN) TO BLEED DOWN. ACTUATOR (P/N SC4700-3), (S/N 5030), MR27258-1035. ACTUATOR WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE.