In the Final Action Memo, Adm. Zukunft approves the findings of fact, analysis, and conclusions detailed in the Marine Board of Investigation’s Report of Investigation, essentially marking it as the official Coast Guard position on the cause of the marine casualty.
Source: Investigations & Casualty Analysis
Link: 12/21/2017: Coast Guard releases Final Action Memo regarding S.S. El Faro sinking and loss of 33 crewmembers