India’s aviation safety regulator has indicated that an incorrect operating procedure, rather than a mechanical failure, may have contributed to the fuel control switch issue reported on an Air India Boeing 787-8 Dreamliner earlier this month.

Air India said on Thursday it was investigating if its crew followed all compliance procedures when a ‍Boeing jet took off from London ​with a possible fuel-switch defect, only to be later grounded in...

The checks were initiated after an Air India pilot reported a defect in the fuel control switch of a Boeing 787-8 aircraft after operating a flight from London Heathrow to Bengaluru.