What Caused The Grunting PA Sounds On A Recent American Flight?

What sounded like a prank on an American Airlines flight this week en route to Dallas was actually a hilarious PA system malfunction. Throughout the flight, it sounded like someone with tourettes was pranking everyone. The crew and even Captain were obviously annoyed, and worried by the moans, grunts, and random outbursts over the intercom. (avgeekery.com) さらに...