Incorrect procedure may have led to issue; DGCA to look at other aspects

Aviation regulator has indicated that crew handling, rather than a technical defect, lay at the heart of a fuel control switch issue on an Air India Boeing 787-8 Dreamliner, even as it widens its scrutiny of the episode and the airline steps up fleet checks.

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Following an initial review, the Directorate General of Civil Aviation (DGCA) has conveyed to Air India that "apparently correct procedure" was not followed while operating the fuel control switch on aircraft VT-ANX, and has directed the carrier to ensure strict adherence to Boeing-prescribed protocols by its pilots, sources said.

The incident occurred on February 1 during engine start at London Heathrow before flight AI132 to Bengaluru.