The glideslope Instrument Landing System (ILS) for runway 6L was out of service; Captain Park believed it was in service, however, and at 1:35 am managed to pick up a signal that was later identified to be from an irrelevant electronic device on the ground.
A pendente de planeo ILS para a pista 6L estaba fóra de servizo; porén, o capitán Park cría que estaba activa e ás 1:35 am logrou captar un sinal posteriormente identificado como un dispositivo electrónico irrelevante no chan.