Thermal runaway in passenger luggage in China
A China Southern Airlines Boeing 777-300, registration B-2009 performing flight CZ-3539 from Guangzhou to Shanghai Hongqiao (China), was boarding for departure. A passenger had placed his luggage containing a power bank and other equipment in the overhead locker, when the power bank suffered a thermal runway and a fire developed. Flight attendants and passengers extinguished the flames.
The airline reported during boarding a passenger placed his luggage into the overhead locker, the luggage containing caught fire, which was promptly extinguished, emergency services responded. The passenger was taken away by police for interviews. No damage beyond the luggage occurred.
The aircraft departed after a 3-hour delay.