Originally Posted by MarkMColo

How could you possibly covert a US Airways MC (issued by Barclays) to a Citi product? I'm assuming you are mistaken about that, and are confused by the conversion to Barlcays AAdvantage Aviator.

You should be good to go on the Citi AA Platinum MasterCard, since your previous Citi AA MC was cancelled more than 18 months ago. Since the MC is considered a different product from the Visa, it doesn't affect your eligibility for the sign up bonus on the MC either way.