International airlines from South Korea and India are preparing to inspect its Boeing fleets following findings from the Air India crash investigation.

Fuel control switches for the engines of an Air India flight that crashed last month were moved from the “run” to the “cutoff” position moments before impact, starving both engines of fuel, a preliminary investigation report said.

The crash of Air India Flight 171 seconds after takeoff on June 12 killed all but one of the 242 people on board. An additional 29 people on the ground were also killed.