Originally Posted by tarheelnj

I was on a flight some years ago in Y. An F passenger boarding in front of me was looking for overhead F space to put his bag and noticed that someone had placed a bag in sideways. He turned the bag lengthwise, giving him room to put his bag in, then sat down. The repositioned bag's owner didn't notice. I didn't see how it played out, but what if when the FA went to close the bin, it wouldn't close, and by then there was no other space (or any backpacks in the overhead)? Who would end up getting his/her rollerboard gate-checked?