 The Marine Board reviewed thousands of pages of documents and photographs related to the maintenance and repair of the vessel, and examined in-depth the installation of the Kort nozzles.The Marine Board also examined in detail the rudder installation.As a result of this analysis the report concluded that "Though the exact initiating event that created the source of flooding is unknown, it was likely related to the poor material condition of the vessel and may have been related to the Kort nozzle struts which are believed to have experienced excessive stresses where they were attached to the hull."