It’s not in orbit around the Earth.
It’s in orbit around the Sun and flying formation with the Earth at the Earth’s L2 point about 1 million miles away.
So it is not serviceable.
Ah thank you.
Well... Yes and no. It wouldn't be easy and it'd be hideously expensive... but it could be done.
Why not?
If it made it to that location, what keeps something else from doing the same?