It's a 50% chance that OLCI will work? The initial screen on the ANA web site after providing the ANA RLOC has a pop-up:
And, on the page where one would fill in the info:
The "
Please register" fields are not clickable, so there's no way to enter the (presumably required?) info. Maybe those fields become editable when OLCI opens at T-24?
I'll know in eight days if it works. I depart on 17-Oct from BKK in the morning.