imbedded animation doesn't work the same in Aero

I have a model that was rigged and animated with key frames in Maya. Exported as FBX and imported to Aero. The animation will play but the actual motion of my model has changed.  

The model has a skeleton made in Maya. The part that doesn't work in Aero is the part of the animation created with skin binding, while the rest of the rigged animation does work.  Instead of moving the skin of the model, an entirely different part of my model moves back and forth during that part of the animation.