Originally Posted by
BLHD
LAN don't tend to (well, hardly ever!) do Revalidations. In my experience it would always have been a reissue. In this case I have a feeling that the OP could be dealing with 3 separate e-tkt numbers for each passenger. 1. The Originally booked sectors. 2. The rescheduled flight that LAN arranged and 3. The Renegotiated and flown sector.
Ouch.
However, with the original ticket number, it should be possible to find the new ticket numbers, no?