Playing the passage in question on a different piano in a different room with different mic at different distance (etc. etc.) is never going to make as patch that can be used for an inaudible edit.

It is possible you may be able to copy and paste correct repeats of the same phrase from the original recording, though making the edits may require some interactive tweaking which in my experience is hard work in Audacity. I'd do it in Ardour, but that's mainly because I have a studio with that already set up. On Windows, it might be worth downloading an evaluation copy of Reaper. It might even be worth keeping it and paying for it - Reaper comes highly recommended in many quarters...