I will stay away from AA if I am you.
Ususally it also depends on what is the higest commission your TA gets from the airline. Therefore they might refuse to print it for you due to lower commision.
usually in Aus we have to use QF's plate on the ticket, but I always insist my TA to issue it on BA or CX's plate.
I find the Reservation staff @ BA and CX = much more helpful than AA (which half of the time have NO IDEA about anything.