On whole failure of the goal. Change a plane in big way, but try to get it act like it did not change. To avoid explaining and training pilots. So instead of tr

On whole failure of the goal. Change a plane in big way, but try to get it act like it did not change. To avoid explaining and training pilots. So instead of training pilots to expect plane to act certain way in certain scenarios, it was instead fixed in software and hardware. But well that combination was done poorly and it should have still been explained.