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 Boeing 787 Dreamliner crashed less than a minute after take-off from Ahmedabad on June 12, killing all but one of the 242 people onboard

A black-box recording and report details indicate that the flight’s captain switched off fuel flow to engines.

Indian aviation expert dismissed claims made in the Wall Street Journal report on the Air India Al171 crash regarding the chances of the flight commander switching off the fuel controls while the official preliminary report by the Indian aircraft accident body only contains a short pilot denial and lacks the full cockpit voice recorder transcript.

Captain Randhawa dismissed the claims as baseless and vowed to take action against the publication, saying the preliminary report on the Air India plane crash makes no mention of the pilots turning of