All mandatory maintenance tasks, including the pilots clearing the pre-flight breath analyser, had been completed, preliminary report identified no “mechanical or maintenance issues with the aircraft or engines,

NEW DELHI (Reuters) -The investigation of the crashed Air India Dreamliner in Ahmedabad city last month is "far from over", the airline's Chief Executive Campbell Wilson said in an internal memo on Monday, adding that the airline remains open to further inquiries and cautioned against "premature conclusions".