Sometimes doring a programming project, its actually much more fun to make your own tools than learn to use some heavy weight 3d modelling program.
This little tool took me less than a day to make
http://avros.xyz/drawboard/fbxteardown/
It performs a teardown on an FBX file to identify all childobjects that fbx might have.
if you like it, get it here
http://avros.xyz/drawboard/fbxteardown.zip