Originally Posted by
Kacee
Very helpful!
I'm pretty sure I've just used the regular Fast Track to the right using a TG J boarding pass.
"regular fast track to the rigth": guess you refer to the old TG fast track on the right side of the East Arrival Hall (opposite gate D4). I think those are now not used anymore for First or Biz class passengers, but passengers with certain privileges like Diplomats, BOI, Thai Elite etc.