New Delhi, July 14 -- The Directorate General of Civil Aviation (DGCA) on Monday ordered airlines to check fuel switch locking system in Boeing 787, 737 planes by July 21.

The aviation watchdog's order comes two days after Aircraft Accident Investigation Bureau (AAIB) released a preliminary investigation report into the AI171 accident, which said that the fuel switches of both the Air India flight's engines were cut off seconds before it crashed while ascending from Ahmedabad.

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Published by HT Digital Content Services with permission from MINT....