Flight recorders from the passenger jet that crashed in South Korea last month, killing more than 170 people, stopped working minutes before the plane belly-landed and exploded on the runway, investigators said Saturday.

A passenger plane has caught fire before takeoff at an airport in South Korea, but all 176 people on board have been safely evacuated.

An investigation into a fire that engulfed an Air Busan plane at a South Korean airport this week is being slowed by a large amount of fuel and oxygen still on board, an air crash investigation official told Reuters.

The fire broke out in the back of the cabin, officials said. All 176 people on board, including passengers and crew members, were evacuated, some with minor injuries.

The 10-week committee will include private sector experts and will look at issues including maintenance and aircraft utilization rates at budget airlines

Shares of Air Busan dropped on Friday, after a plane belonging to the budget carrier caught fire earlier this week.