NTSB Preliminary Report of the UPS Boeing MD-11F Crash has now been published
https://www.ntsb.gov/Documents/Prelimiary%20Report%20DCA26MA...
https://www.ntsb.gov/Documents/Prelimiary%20Report%20DCA26MA...
ie Go to this page https://www.ntsb.gov/investigations/Pages/DCA26MA024.aspx
Click on " read the preliminary report" - right at bottom of the page ... does try to open another link but it gives an error ( now? I assume it worked in the past )