What i'm specifically referring to is its turning animation, during which its armor plates above the hips turn to the wrong direction and quickly snap-back into place, which is both extremely noticeable and visually unappealing.
(It happens when turning the mech both clockwise and anti-clockwise)
I've made a gif of the broken animation in progress:
![Posted Image](http://i.imgur.com/rf1PWaY.gif)