Originally Posted by
duceno1
Economy, Q I believe (if that's what you're referring to)
You should be able to pre-select a seat. Just tell JAL reservation you need to use their priority guest service and ask them to arrange for it. If they tell you you need to contact AA, just tell them to make a conference call to AA to sort this out.
https://www.jal.co.jp/en/jalpri/handicap/walk.html