All Things WMATA 7000 Series

Discussion related to DC area passenger rail services from Northern Virginia to Baltimore, MD. Includes Light Rail and Baltimore Subway.

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Re: All Things WMATA 7000 Series

Postby JackRussell » Tue Aug 07, 2018 1:01 pm

Sand Box John wrote:I don't recall if it was mentioned here but WMATA stopped taking delivery of the 7k cars back in May because of this issue.

The issue has to do with continuity at wiring connections that could result in premature failure causing a great deal of time to be spent troubleshooting to find the broken connection.

It should be noted that this more of a performance and reliability problem then a safety problem.


These kinds of problems can be a bear to diagnose. Although I suspect it might get a little easier if they are aware that there might be wiring harness issues.

Are they going to install the chains at the same time they have the cars in to fix the wiring?
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Re: All Things WMATA 7000 Series

Postby daybeers » Wed Aug 08, 2018 7:18 pm

JackRussell wrote:snip Are they going to install the chains at the same time they have the cars in to fix the wiring?

Knowing WMATA, probably not. :(
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Re: All Things WMATA 7000 Series

Postby davinp » Sat Sep 08, 2018 2:40 pm

FTA gives thumbs-up to Metro’s expedited timeline for protecting blind passengers

Two months ago, Kawasaki said it found a way to retrofit trains by May. The FTA says that timeline is acceptable, as long as no more new trains go into service without the extra barriers.

"Although WMATA’s May 2019 commitment is later than the deadline stated in FTA’s June 2018 letter, given the additions to WMATA’s ongoing mitigation efforts, the nature of the supply and manufacturing constraints, and WMATA’s commitment that no new 7000-series cars will enter revenue service without the new chain [between-car barriers] installed, FTA accepts this updated work plan," wrote Henrika Buchanan, an acting associate administrator at the FTA.

https://www.washingtonpost.com/transpor ... fcedd54459
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