South Korea is preparing to order all airlines in the country that operate Boeing jets to examine the fuel switches at the centre of an investigation into a deadly Air India crash that killed 260 people.

SEOUL (Reuters) -South Korea's transport ministry is preparing to order all airlines in the country that operate Boeing jets to examine fuel switches in accordance with a 2018 advisory from the U.S. Federal Aviation Administration, the ministry's foreign media spokesperson said on Monday.

Fuel switch locks have come under the scanner after a 2018 advisory from the FAA figured in the Aircraft Accident Investigation Bureau (AAIB)'s preliminary investigation report on Air India's Boeing 7