Originally Posted by
zkzkz
I lost my BA Silver but managed to swing AA platinum (sapphire) through a status challenge.
Right now I have my seats selected for my next trip as a sapphire using my AA number.
But I think I'll earn a lot more miles with BA so I'm thinking of switching The FF number to BA.
I shouldn't expect any problem at the lounge if my boarding pass is my BA blue but I have the card for my AA account should I?
Pretty sure there will not be any issues with this. I have not done it personally but have seen mention of it here before a few times.