What was found
(CAN) DURING WALK AROUND, FLIGHT CREW NOTICED THAT THERE WAS HYDRAULIC FLUID ON NOSE GEAR ACTUATOR. MAINTENANCE WAS NOTIFIED, ACFT WAS JACKED, GEAR WAS SWUNG, ACTUATOR INSPECTED FOR LEAKS. AFTER SEVERAL GEAR SWINGS FLUID WAS FOUND TO BE LEAKING FROM END CAP. ACTUATOR WAS REMOVED AND CRACKS WERE FOUND ON END CAP. NEW ACTUATOR WAS INSTALLED AND GEAR SWUNG.