Anyone ever ran into a tough to turn X3 yaw on their gimbal?? Mine does not seem to be loose even at still state. It loosens up if you spin it back and forth manually for a few seconds but then stiffens back up again. It makes then video and photos very shaky and unusable while flying. Now I get to send in the camera to service again and wait in line to get it back. Any tips or anyone else having this experience???