Originally Posted by
Eastbay1K
The one time I had similar EZE transit, I was flying UA to LA - I went to the AA lounge (there's no LA rep there) and the AA agent called the LA desk, and they checked me in, and told me to get my BPs at the gate prior to boarding. (There were no attended LA gates when I first arrived). This was a few years' back so I don't know if it is any more advanced or not, but I'd head to the AA lounge first.
As an aside, make sure you are armed with your actual ticket numbers issued (and the latest updated ones if there have been any reissues since the initially-purchased ticket), especially if LA was NOT the issuing carrier.
Thanks very much Eastbay1K, I will follow this advice on all counts. As an aside, last time I checked in at LIM (traveling LIM-SCL-AKL) the check-in agent insisted that she could not check me in for the SCL-AKL leg. When I suggested that I have been able to do so in the past, she tapped away at her keyboard for a while and then checked me in. So polite persistance in AKL or SYD might help me here.