What was found
(CAN) ON GEAR EXTENSION, 3 GREENS, 1 UNSAFE ON RT SIDE. ON RETRACTION, NO GREENS LIGHTS, THREE UNSAFE. TWO MORE EXTENSIONS CARRIED OUT WITH SAME RESULT. GEAR EXTENDED AS PER EMERGENCY CHECK LIST(BLOWN DOWN). GEAR SWING CARRIED OUT ON JACKS, FOUND RT GEAR ACTUATOR LEAKING INTENALLY, REPLACED ACTUATOR. CHECKED SERVICEABLE.