According to several South Korean media sources, at noon today, a Jeju Air passenger plane preparing to fly from Jeju, South Korea to Pohang Airport “suddenly poured into the cabin,” causing the passengers and crew to be evacuated urgently. Jeju Air said that the company's flight LJ436 was originally planned to fly from Jeju International Airport to Pohang Gyeongju Airport, but unknown smoke suddenly poured into the cabin, and a total of 122 passengers and crew members on board were immediately evacuated urgently. After inspection, it was discovered that the smoke was caused by overheating due to a failure inside the auxiliary power unit installed at the rear of the aircraft.

According to several South Korean media sources, at noon today, a Jeju Air passenger plane preparing to fly from Jeju, South Korea to Pohang Airport “suddenly poured into the cabin,” causing the passengers and crew to be evacuated urgently. Jeju Air said that the company's flight LJ436 was originally planned to fly from Jeju International Airport to Pohang Gyeongju Airport, but unknown smoke suddenly poured into the cabin, and a total of 122 passengers and crew members on board were immediately evacuated urgently. After inspection, it was discovered that the smoke was caused by overheating due to a failure inside the auxiliary power unit installed at the rear of the aircraft.