At 11:20 p.m., a fire broke out in the enginetrain, Telam reported. The firewasextinguishedwithout incident but left the train unableto continue the journey, the news agency said.
Richard Walsh, a Massport spokesman, said the jet's auxiliary power unit battery, which is housed in a small compartment known as the aft electrical equipment bay, exploded after crews believed the fire was extinguished.