A preliminary report from India's Aircraft Accident Investigation Bureau earlier this month found the switches had almost simultaneously flipped from "run" to "cutoff" shortly after takeoff.

You can see from the debris whether the engines were producing power at impact—turbines break apart differently when they’re traveling very high,” said Peter Goelz, former managing director of the US ...

India’s Aircraft Accident Investigation Bureau (AAIB) is now treating the Air India Boeing 787-8 crash June 12 crash as an intentional act.