No, it shouldn't have any affect on you. Now unless something in your background came up negative, it could cause problems this time around. But they're used to this stuff people either change their mind about the job at the time or can't take it for whatever reasons. Just be honest with all your paper work and you'll be fine as long as your medicals check out.
Will, if I do get the privilege of making it in to the TA, I think I owe you a drink (as long as we're not working the next day) - TY brother!