Metro line B breakdown in Rennes: loosening the nut to blame?

It is in a Prefectural DecreePublished Friday January 12, K New details Two major breakdowns on Line B of the Rennes Metro have been revealed.

Information was found By our colleagues at Télégramme. The Nut loosening

Events will cause.

Indeed, this prefectural decree requires the return to service of Line B of the Rennes Metropole Metro. with the authorization of the PrefectDetails of two incidents in recent months:

• “Leading to the November 18 incident Guidance NeoVAL train n°56 is operational and Fire at Correctional Station Maintenance workshops require, on the one hand, checks on rolling stock, and on the other hand, repair and overhaul of power and signaling infrastructure. They took place in December before Line B resumed commercial operations on December 22, 2023.
• “The January 3, 2024 event requires an investigation and possible revision of the design of the rolling stock with respect to the fixing of the axle guide pivots. »

“Make sure the oars pivot nut does not come loose”

But the most important element in this decree is definitely mentionedA solution to find out “It makes it possible to ensure that the oars pivot nut does not loosen”.

It thus contributes Understand the causes of events a little better

On line B of the Rennes metro. These elements also relate to the minimal information disclosed with difficulty by Stéphane Bayonne de Noyer, director of the rolling stock business unit of Siemens Mobility, the maker of Cityval. Advocates ongoing investigation.

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