July 18 (Reuters) - A cockpit recording of dialogue between the two pilots of the Air India flight that crashed last month supports the view that the captain cut the flow of fuel to the plane's engines, said a source briefed on U.S. officials' early assessment of evidence.

The report and India’s inspection order referred to an advisory from the Federal Aviation Administration in 2018 that recommended that carriers using Boeing models, including the 787, inspect the locking mechanism of the fuel control switches to ensure they could not be moved accidentally.

US aviation giant Boeing on Thursday signed a contract valued at $7 billion to sell 12 787 Dreamliners, with options for six more, to Gulf Air, as the Bahrain-based carrier looks to expand its global network.

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

The deadly Air India crash last month has renewed a decades-old debate in the aviation industry over installing video cameras monitoring airline pilot actions to complement the cockpit voice and flight data recorders already used by accident investigators.

El regulador de aviación de India ordenó el lunes a las aerolíneas que operan varios modelos de Boeing que examinen los interruptores de