Originally Posted by
af fp
What shall we do? Wait until check in and risk getting to get not so good seats in business ? Or is there any chance it will stick? anyone experienced this before?
Have you accessed the seat map on airfrance.com? Have you tried to select seats?
It's not clear where you are seeing the "1E and 1F" assignments - but the very fact that it is stated "seats not available" should be a clear indication that you are not actually in these seats at all - and if the new aircraft does indeed have a La Première cabin, that you are not in this cabin at all.
So - please have a look at the seatmaps when you check your reservation on airfrance.com, and see if you can select seats again - presumably in the new business cabin on whatever aircraft has been subbed in.