Sorry to rehash an old thread but I have been trying to book a similar fare (CGK - JFK in J on QR) which I can see on AA.com for about $2,800 USD. Like cdetbe I am based in Australia and when booking through AA's AU website I end up with an error code of "15012" when trying to complete payment. Calling AA they could not see the fare and had the same issue when trying to book via Expedia.

Is the trick to just keep trying different dates/flights until it works or call AA again and hopefully get someone who knows how to work around the problem?

Thanks!
PC