The Times of India reported Tuesday that a preliminary report had been submitted to officials. Details of the report weren’t available.

A preliminary report into the deadly crash of an Air India jetliner in June is expected to be released by Friday, three sources with knowledge of the matter said, with one adding the probe had narrowed its focus to the movement of the plane's fuel control switches.

The Aircraft Accident Investigation Bureau (AAIB) is set to release its preliminary report this week concerning the Air India plane crash in Ahmedabad