A preliminary report on the investigation into the Air India flight that crashed last month has answered some questions about the fatal accident but raised many more and fuelled speculation about the cause.

Air India's inspection of the locking feature on the fuel control switches of its existing Boeing 787 aircraft found no issues, an internal communication circulated within the airline said."Over the weekend,

According to US aviation expert Mary Schiavo, a 2019 All Nippon Airways (ANA) flight in Japan experienced a similar issue, with the fuel switch transitioning on its own during final approach, without