Was catching up on FR24's podcast episode with a 321XLR interview
https://www.flightradar24.com/blog/avtalk-278/
36:00
seems to suggest both AA & IB will have PE
same Y seats as the 330...so not the slimline in Y then...
https://www.aerolopa.com/ib-333
So 18" width, 31" pitch
But how? The A32x Y seats are 17.7" width? Or he meant 17.7 when he said "same as on the 330" ('s 18.1)