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GS Yuasa

Controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2013

    Boeing 787 battery investigation

    GS Yuasa-manufactured batteries were examined after battery-related incidents involving Boeing 787 aircraft operated by All Nippon Airways and Japan Airlines. The battery-control system was supplied by Thales. Japanese and U.S. safety authorities investigated the damaged batteries, electrical integration, and manufacturing controls. The episode generated aviation-safety scrutiny but the reference material does not establish a final finding of intentional misconduct by GS Yuasa.

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