Air India plane crash: What are the fuel control switches under scrutiny? What they do and why they matter

A preliminary report on the Air India Flight AI171 crash revealed a catastrophic engine failure just seconds after takeoff from Ahmedabad. Both engines of the Boeing 787-8 Dreamliner lost power due to a sudden fuel supply cutoff, leading to the fatal accident. Investigators are probing the cause, focusing on fuel control switches and a prior FAA warning.