Pace
You have posted this snippet about requiring FAA / USA approval before. It would be interesting to know where this comes from.
Considering that EASA have effectively blocked approval of the Robinson R66 over a petty issue, do you really think the fact that they should have approval from the USA to make changes to FCL requirements is going to bother them a jot?
Remember, the Eurocrats stopped us using imperial measures to hurt trade with the USA.......