About five months ago, on a Monday I was denied a gun purchase based on the background check and my HCP came in the mail two days later on Wednesday! Needless to say I was surprised...
I guess I was okay to carry a gun I just couldn't buy one. Ha!
So I filed the appeal form and the denial was finally overturned and purchase approved (a Colt WWII Commemorative 1911), but I thought the timing was kinda' funny, especially considering I'd passed numerous background checks for gun purchases in previous years and had been in no trouble of any kind, so had no change in my background stats.
You never know what's going on with a bureaucracy...