The investigation into the Air India flight 171 crash is focusing on the movement of the engine fuel control switches, following an analysis of the Boeing 787's flight and voice data recorders

AAIB has submitted its preliminary report on the AI-171 crash in Ahmedabad, where over 250 died. For the first time, black box data was decoded in India. The probe involves global aviation experts.

The report is based on the bureau's initial assessment and findings gathered in the early phase of the investigation, and it will be released to the public later this week.