</font><font color="blue" class="small">( I enlarged the pic, and looks like it needs to slide back into the bucket about 2", all the way back to the bucket cutting edge, lucky it didn't bend it all out of shape, good eye you got there. )</font>
He did mention that he broke a tooth shank. My quess is that is the reason why. The shanks are not up against and supported by the bucket edge .