Reuters/SeattleTImes
For example, Forkner had no way of recreating the crash scenarios - when MCAS triggered off data from a single faulty”angle of attack” sensor - because there was “no technical way” to shut off one of the two sensors in the simulator, said one of the people, a former test pilot with direct knowledge of the simulator Forkner used.
“It wasn’t even something they would be looking for,” he added.
So there was some impropriety in the language in 'chat' messages - but the subject of Forrkners chats was simulator software not even in the area of the flight envelope that had anything to do with MCAS or MCAS failures.