What caused the Baltimore Key Bridge to collapse [Video]

BALTIMORE — The latest report from the National Transportation Safety Board (NTSB) shows investigators looking into the collapse of the Francis Scott Key Bridge have honed in on the possible failure of a $2.17 piece of electrical equipment that measures 2.5 inches long. 

According to the report, officials spoke with the vessel’s crew and examined the ship’s engineering systems and electrical systems. Officials say during the voyage, two of the ship’s electrical breakers, HR1 and LR1, unexpectedly opened while the Dali was only three ship lengths away from the bridge. The loss of the electrical power caused the ship’s first blackout. The outage caused the ship to lose lighting and most equipment. 

The small terminal block and it’s connecting wiring has since been removed from the Dali, while the NTSB continues its investigation in the role that played, and any …