Originally Posted by
sds1493
According to CS, 30E is an exit row seat, and so an infant cannot be assigned to that seat.
I believe the CS rep is incorrect, w.r.t the middle 3 seats. Only the ABC & HJK blocks are counted as exit row and 30E is indeed a bassinet.
Here's a link to the reliable BA Source seatmaps showing such:
8F42J39W127Y The BA Source (You may need to click on "Economy Class Seat Advice)
Here's a link to a recent thread on FlyerTalk where a 788->789 swap caused some difficulties as it goes from 2 bassinets in Y to just 1 bassinet, and you may note that the OP reports in post 15 that they were able to take 30E:
Advice needed after equipment change leaves us without bassinet seat
https://www.flyertalk.com/forum/30077379-post15.html
And after digging out those links, you get it form the horse's mouth
Thanks to
CIHY for confirming