The ship had problems with its engine/electrical while at the dock.
Ship away from dock and turned.
Tugs were released.
Engine failed
Engine started again,
Engine failed(probably a fuel problem)
Engine started, prop put in reverse.
Wide open throttle in reverse (WOT caused the black smoke)
Ship moving forward at 7knots. Prop full reverse.
Prop walk pushed stern to port. Turning ship to starboard towards bridge.
Ship hits bridge support.
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