A recent investigation into Massachusetts’ New Red and Orange Line cars made by a Chinese rail company found “something acting abnormally” within their truck frames. It was the fourth time since August 2019 that a malfunction was identified in the new cars. Massachusetts Bay Transportation Authority’s new Red and Orange Line cars are assembled in Springfield by the Chinese state-owned company CRRC. The company is under contract to deliver 252 Red Line cars and 152 Orange Line cars to the Massachusetts Bay Transportation Authority (MBTA) over the next few years. The first fleet of six new Orange Line cars went into service in August 2019. On March 16, all new trains were pulled from service after an Orange Line train derailed at the Wellington Station. About 100 passengers were on board when the accident happened. No injuries were reported. MBTA Deputy General Manager Jeff Gonneville said in a May 10 …