Originally Posted by
rill2503456
If you're booked on JAL via an AA codeshare, as far as I know there is no way to select your seats in advance.
Depending on fare class, you can call AA and they can assign you a seat. But check the JAL forum as it is very dependent on fare class and JL only releases certain seats. I had a similar issue as a OWE on a codeshare this year.