BUSAN, Jan. 31 (Yonhap) -- Authorities decided to begin a joint investigation of a fire-destroyed Air Busan plane early next week, officials said Friday, after completing safety checks on a large amount of fuel that is still stored at the wings of the plane.

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

An Air Busan Airbus A321 burst into flames at Busan Gimhae Airport (PUS) after the aircraft’s tail caught fire before takeoff, according to Yonhap News.

All passengers were safely evacuated when fire ripped through an Air Busan Airbus with 176 on board in South Korea on Tuesday. Newsweek reached out to Airbus and Air Busan for comment via email on Wednesday.

A fire broke out on an Air Busan Airbus A321 leased from AerCap while at the gate at South Korea's Busan Gimhae International Airport on Jan. 28. All 170 passengers and six crew members aboard Flight BX391, which was bound for Hong Kong, were evacuated using emergency slides. Two injuries were...

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 Airbus plane belonging to South Korean carrier Air Busan caught fire on Tuesday at Gimhae International Airport in the country’s south while preparing for departure to Hong Kong, fire authorities said.

An Airbus plane belonging to South Korean carrier Air Busan caught fire on Tuesday at Gimhae International Airport in the country's south while preparing for departure to Hong Kong, fire authorities said.

The authorities decided to proceed with the joint investigation to determine the cause of the recent blaze aboard an Air Busan without first removing the aviation fuel, the Transport Ministry announced Friday.

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.

According to the Transport Ministry’s aviation technical information system, the Air Busan aircraft had been in service for over 17 years, with no accident history in the past 12 years. Airplanes come under tighter inspection by the ministry after 20 years of service.