Originally Posted by Viajero
LAN can be 'difficult' when it comes to having your OWE reissued, yes, but AFAIK that is as far as it goes in terms of negatives, unless of course you are referring to something else?
The trick I found last year is that LA in SCL has to reprice the RTW in US$ regardless of the original currency. That allows them to re-issue the ticket properly.
Of course when I did it they change the aircraft to remove F but gave me compensation for the downgrade