Ship That Hit Baltimore Bridge Had 2 Electrical Failures Before Departure

In the hours before a wayward cargo ship lost electrical power and knocked down Baltimore’s Francis Scott Key Bridge, killing six people, the vessel suffered two blackouts while still in port, according to a preliminary report released on Tuesday.

In a 24-page summary of findings so far, investigators with the National Transportation Safety Board said the Dali cargo vessel had experienced at least two electrical failures on the day before the accident, causing the crew to adjust the configuration of the electrical system about 10 hours before setting out.

The investigators said they were still examining what effect the earlier repairs may have had. But they said it was apparent that the trouble that led to the accident began when the vessel’s electrical circuit breakers tripped, leading to a loss of propulsion and steering capacity.