“(box 11) Father: Birthplace - Kenya, East Africa”
So what. What was his US status at time of Barry’s birth? That’s the important question. The form doesn’t ask.
Does not really matter another President had only one parent that was an American Citizen nothing was done.
Only if he is not an American would they possibly do anything. Or if he committed SSN fraud. Those are the only real avenues valid to pursue.