New subway trains pulled from service months after debut

BOSTON (AP) — Transit officials in Massachusetts have pulled a pair of trains from service just months after their debut on a beleaguered subway line.

Massachusetts Bay Transportation Authority General Manager Steve Poftak says the two Orange Line trains that rolled out to fanfare this summer were pulled from service in mid-November because of concerns they were making an “uncommon noise.”

He says officials have since traced the sounds to pads located underneath the trains that are wearing down irregularly.

Poftak says officials are currently running tests and analysis. It's not clear when the trains will be back in service.

The two trains were also pulled from service in September after a door opened on one of them while it was moving.

The new trains are a centerpiece of the multi-billion dollar upgrade of the subway system. They're the first of about 150 new Orange Line trains being built in western Massachusetts by a Chinese company.

The Orange Line runs north to south through Boston and its suburbs. Some of its rail cars date to the 1980s.

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