Baltimore bridge: Cargo ship that caused collapse had power blackout hours before leaving port

BALTIMORE (AP) — The cargo ship Dali experienced electrical blackouts about 10 hours before leaving the Port of Baltimore and yet again shortly before it slammed into the Francis Key Bridge and killed six construction workers, federal investigators said Tuesday, providing the most detailed account yet of the tragedy.

The first power outage occurred after a crew member mistakenly closed an exhaust damper while conducting maintenance, causing one of the ship’s diesel engines to stall, investigators with the National Transportation Safety Board said in their preliminary report. Shortly after leaving Baltimore early on March 26, the ship crashed into one of the bridge’s supporting columns because another power outage caused it to lose steering and propulsion at the exact worst moment.

The report provides new details about how the ship’s crew addressed the power issues it experienced while still docked in Baltimore. A full investigation could take a year or more, according to the safety board.

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