Originally Posted by
lokisnake
IIRC the 75% economy fares on JL map to the 75% economy booking code on AA, and the 100% ones map to Y, but this is just recalling past forums reading and not first hand experience.
Also, since the question is on AA earning, might be a better fit for the AA forum as people on there may know more.
I thought of posting there, but it's far less likely someone is a JAL domestic flyer on their forum....... I think. I'd hate to needlessly double post.