Air India said on Tuesday it would partially restore its international flight schedule that was scaled back following the accident involving flight AI171 on June 12.

The CEO of Air India sought to draw a line under rife speculation around the cause of last month's air disaster in Ahmedebad, saying the preliminary investigation had ruled out a mechanical cause for the crash.

According to the Air India statement, it will resume its thrice-weekly service between Ahmedabad and London Heathrow from August 1 to September 30. This service will replace the currently operating five-times-a-week flights between Ahmedabad and London Gatwick.

Medical records for an Air India pilot killed in last month’s crash are reportedly now being reviewed by investigators amid reports he’d been suffering from depression and other mental

The flight, a Boeing 787 Dreamliner, crashed just seconds after take-off from Ahmedabad in June, killing all but one of the 242 people on board.