What was found
EN ROUTE ELP-LAS, AFTER TAKEOFF HYDRAULIC OVERHEAD PANEL LIGHTS ILLUMINATED NR 1 AND NR 2 ENGINE A HYD SYSTEM. HYDRAULIC QUANTITY FLUCTUATING TO 0. CAUTION LIGHTS FLICKERING FOR 30 SECONDS, THEN REMAINED ON. A HYDRAULIC QUANTITY REMAINED AT 0 GALLONS. RETURNED TO ELP. FOUND NOSE GEAR MAIN ACTUATOR HYDRAULIC RETURN LINE LEAKING. REPLACED ACTUATOR RETURN LINE, SERVICED SYSTEM, OPS AND LEAK CHECK OK IAW MM 32-33-00.