India's Directorate General of Civil Aviation (DGCA) issued the order Monday to investigate the locking feature on the fuel control switches of several Boeing models including 787s and 737s.

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,

The probe into last month's Air India Dreamliner crash in Ahmedabad city is "far from over," CEO Campbell Wilson said in an internal memo on Monday, adding that the airline is open to further inquiries and warned against "premature conclusions.