Rail

D.C. Metro rules out power cables as factor in recent smoke incident

Posted on April 27, 2016

Larry Levine
Larry Levine

The Washington Metropolitan Area Transit Authority’s (Metro) announced that while it has not yet identified the root cause of Saturday’s smoke incident outside Friendship Heights Station, investigators have eliminated power cables as a contributing factor.

Passengers aboard the train described a tense atmosphere, with smoke in some of

the railcars, flames visible outside the train and the odor of electrical smoke evoking memories of the Jan. 12, 2015, L’Enfant Plaza Metro station incidnet that left one rider dead and scores sickened, according to the Washington Post.

As a preliminary matter, the investigation is focusing on a foreign object, specifically a metal part of a railcar, becoming dislodged and making contact with the electrified third rail. The foreign contact is believed to have caused a loud noise, flash and smoke.

Investigators have conducted inspections of all power infrastructure in the tunnel, as well as all cars of the incident train, to reach this preliminary conclusion.

Preliminary Investigative Findings include:

  • At approximately 7:19 p.m., Saturday, April 23, the operator of Red Line train #107 traveling outbound reported hearing a loud boom and smoke entering the lead car.
  • The train consisted of eight cars: four 5000-series and four 1000-series.
  • The train stopped in the tunnel prior to Friendship Heights Station.
  • Passengers were moved into the trailing cars of the train.
  • The train operator was instructed to reverse direction and was given permission to move back to Tenleytown Station, where the train was offloaded.
  • Prior to the train being moved, an unknown passenger pulled an emergency door release, causing the train to lose "all doors closed" indication. It was confirmed that no passengers "self-evacuated" from the train. Once all doors were confirmed closed, the train was moved.
  • There were no injuries.

Metro and the Federal Transit Administration continue to investigate the cause of this incident. Updates will be provided as information is developed.

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