This is not Amber’s body. Probably not even the same ship as Amber.
But apparently somewhere an android malfunctioned, and as a result had her head removed, likely followed by other parts, to be diagnosed to figure out the cause.
And yes, their brain is actually in their torso, not the head. This is partially because the AI-core is pretty heavy and would would severely unbalance the body if placed in the head, but also for protection.
Given the difficulty of debugging an AI Not-Amber might be headed for the scrap-heap.