What was found
(CAN) AFTER TAKE-OFF DURING GEAR RETRACTION, GREEN SYSTEM HYDRAULIC QUANTITY WAS LOST . UPON ARRIVAL AT DESTINATION, ALTERNATE GEAR EXTENSION WAS USED , NORMAL LANDING . INSPECTION FOUND LT MLG RETRACTION ACTUATOR HOSE SPLIT (SMALL BURST ). LINE REPLACED, GEAR SWUNG , AIRCRAFT RETURNED TO SERVICE.