What was found
(CAN) ON GEAR SELECTION AFTER TAKEOFF VIBRATION FELT AND RIGHT LANDING GEAR GREEN LIGHT STAYED ON WHILE OTHER LIGHTS WERE NORMAL. GEAR RECYCLED TWICE, VIBRATION DISAPPEARED BUT GREEN LIGHT REMAINED ON. TROUBLESHOOTING OF GEAR REVEALED THREE WIRES IN CONNECTOR P1-129 OF RIGHT LANDING GEAR DOWN LIMIT SWITCH WERE NOT CONNECTED. WIRES RECONNECTED AND LANDING GEAR RETRACTION TEST CARRIED OUT SERVICEABLE.