As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC SYSTEM A QUANTITY GAUGE INDICATED SLOW PARTIAL LOSS OF FLUID. DECREASED APPROXIMATELY 1 GALLON IN 2 HOURS. DIVERTED TO DEN, LANDED UNDER AMBER ALERT. TOWED TO GATE DUE TO NO NOSE GEAR STEERING. *S/D* FOUND RIGHT HAND GEAR DOOR ACTUATOR LINE LEAKING. REPLACED LINE AND RESERVICED HYDRAULIC SYSTEM. LEAK CHECK OK.