Originally Posted by
cerealmarketer
At 1:21 in the video above of the PanAm to UA L-1011 you can see 3 seats by the window in economy (which would be a 3-4-3 layout) - and how that small framed woman takes up the entire width
....
I saw that, too, and did a double-take. If you look, that section of the cabin doesn’t have a center section... probably a galley or bank of lavs so it’s hard to say if it represents the the rest of Y.