Metro

Green Line trains disabled for nearly 2 hours due to connectivity issue

An MBTA Green Line train.
Keith Bedford/Globe Staff
An MBTA Green Line train.

Green Line trains in both directions were taken out of service for almost two hours on Wednesday morning between a bulk of the major stops due to a problem with connecting wires, officials said.

Around 10:10 a.m., service was stopped from North Station to Kenmore due to a disabled train at the Boylston stop and wasn’t restored until shortly after noon.

MBTA spokesman Joe Pesaturo said in an e-mail that the problem was initially believed to be caused by overhead wires, but it was later found to be an issue with the pantograph, which connects the trains to the wires above.

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The MBTA did not run shuttle buses, but encouraged passengers to use the Orange Line at North Station, Haymarket, and Back Bay Station “as an alternative” to the Green Line while power crews worked to fix the problem. Pesaturo said regularly scheduled service resumed shortly after noon.

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“The disabled trolley (with the pantograph problem) was removed from service,” Pesaturo wrote. “After the MBTA power department performed a thorough inspection of the overhead wire, power was restored and trolley service resumed.”

About 15 minutes later, the MBTA tweeted that another train was disabled at Kenmore on the B branch, creating 5-to-10-minute delays for westbound riders.

Pesaturo said the Kenmore train was “all clear” just before 1 p.m.

Laney Ruckstuhl can be reached at laney.ruckstuhl@globe.com. Follow her on Twitter @laneyruckstuhl.