As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF THE FLIGHT EXPERIENCED THE LOSS OF FLUID AND PRESSURE FROM THE A HYDRAULIC SYSTEM. RETURNED TO STL. *S/D* FOUND PRESSURE LINE GOING TO TAIL SKID ACTUATOR RUPTURED. REPLACED LINE, BOTH ENGINE DRIVEN PUMPS AND CASE DRAIN FILTERS PER MAINTENANCE MANUAL. ALSO, SERVICED HYDRAULIC SYSTEM TO FULL. RAN ENGINES, NO OTHER LEAKS NOTED.