Usually replacing a keyboard is very simple and doesn't require even getting to the real innards. I'm not familiar with that model in particular, but I don't think you'll find it hard at all.

But that assumes that it's a part that can be swapped out like that. I'd be surprised if it wasn't, but it's always possible. And I wouldn't be surprised if the keycaps on your current keyboard were not swappable. The shape and pitch are often different depending on key location.