Grebe.
It may not be how things happen at Boeing, North America- but it's exactly how things DO happen at Boeing Brazil.
The GTF engined 190 E2 has a new undercarriage, with a repositioned wing, the engines where they should be, and many other changes- so maybe it's about time things changed in the US, Charlie?
MechEngr.
The Embraer 190 E2 carries a common type rating with the original E190, despite being effectively a completely different aeroplane and properly redesigned to accommodate the fuel efficient (and jolly powerful) GTF motors.
I agree, that's what the customers want....
What they probably didn't want is a re-engined 737 that they are not permitted to operate.