Next year's car models are already 'in production'. = Next year's car models have already 'gone into production'. [=next year's car models are already being made]
The airplane is 'out of production'. = The airplane has 'gone out of production'. [=the airplane is no longer being made]
Getting home turned out to be a real 'production' because of all the delays at the airport.
(..) Down! Get down! Take it easy, I got the point. BIow it! Bastard. What's the matter, darIing? This is your big production number. And you know it's important... to go out with a big bang. Why are you here? Take this gun and start sneaking peopIe out the back. Step back. (..)1994 The Mask