JR East Japan Railway Company (JR East) Detected an Unusual Noise While a Train Was Traveling on a Bridge; the Cause Was Determined to Be a Loose Screw Securing a Structural Component. Following the Series of Incidents, Inspections Revealed Approximately 100 Locations with Loose Screws and Other Defects.

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In April of this year, JR West Japan announced that the cause of the incident, in which a JR Tozai Line train detected an unusual noise while traveling on a bridge and temporarily suspended service, was that the vibration of the train had caused screws securing the bridge's components to come loose, resulting in contact with the train. Furthermore, following this incident, inspections were conducted at approximately 260 bridges with similar stru…