Originally Posted by
notquiteaff
I wonder what AA will do if you check in at the ticket counter for your return flight and present your EU passport. Will they deny you travel if you “can’t” present the Us passport matching APIS?
theyll just update it. I mistakenly typed my old passport number in once. Check in counter at LHR noticed it during doc check and fixed it for me.
can't remember if I was SSSS that time or not. Then again, i used to get "randomly" selected every single flight, so who knows.