Originally Posted by
Dr. HFH
There's a post in another QR thread which seems to indicate that if you're op'd-up Y-J, while you'll sit in the J cabin, you may only receive Y food.
AFAIK, this happens only when the second J cabin on a 777 is turned into Y cabin. It is not an op-up in that case, you are still in Y but have the benefit of sitting in a J seat.