Choosing specific bone(s) to apply animations to in a prefab?

My goal was to have a hatch that the player can open and close, but also cause visible damage to and eventually destroy. I did the open, close and damage animations in one timeline, and separated them into clips in Unity with the masks set to uncheck the "hinge" bone during damage animations.

My door opens and closes fine, and if I damage the door I see the animations correctly as well. However - If I open the door after being damaged it seems use either the open, close or...

Choosing specific bone(s) to apply animations to in a prefab?