Originally Posted by shadesofgrey1x

I have seen this happen in the BA lounges many times myself. Unfortunatley, in your case BA is in the right as to the letter of the law. If you look up OW lounge access poicies it clearly states that you need to produce the card. I have seen even PLT-EXs turned away for this.

But, as other posters have mentioned, it can not hurt to try. Most likely all the AA lounges will take the paper. Most of the time when I go in an AA lounge they just look at the BP for status and do not even ask for the card.

Good luck, hope the other partners will bend a bit more for you.