Originally Posted by oontiveros
I thing the OP meant that the elderly pax was in the 3 seat center section, next to and across the aisle from A/C, and was curious why they were fiddling with their seats.
Bingo! There is no
B seat. It's A / C.
Every Flyertalker knows to check their seat to see if it's functioning properly. This was you can change it
prior to take-off.