No verifiable information about the rumor that a Zoomie MD-11 captain did a Foster Brooks imitation in CGN and blew a .16.
From APC:
Drunk UPS Captain arrested in cologne Germany
He blew an .16 showing up at work, got thrown in Jail.
https://www.airlinepilotforums.com/2825870-post1.html
It's a disease, innocent until proven guilty, it might be swamp gas, he was reporting for duty in uniform to say he was unfit to fly, don't worry folks, it's just a freighter etc...