According to the denizens of the Internet, the Airport Extreme you have sitting in your hallway or – nerd! – in your bedroom might be experiencing dropout. According to Marco “I just sold [x]” Arment of Instapaper fame, this problem might have something to do with the latest 7.6.3 firmware. The good news? Downgrading is stupidly easy.
Downgrading Your Airport Firmware Is Dead Easy — And May Help Fix Connectivity Troubles