It's a horrid idea. She works perfectly right where she is.
Plus, it also tells us she won't win the Chief position. Way to let the cat out of the bag, Disney Doorknobs!
And a pilot by May? Good greedy grief, people!
Could this be some kind of knee jerk plan they put quickly into place because things are falling apart on the Grey's set and they want to try and hedge their bets by setting up a semi-replacement?