The NTSB has published the final report on Southwest Flight 1380, whose left-side CMF56 engine suffered a failure that led to one fatality in April 2018. While the NTSB has already called for action following the engine on this 737 Next Generation, its final report closes the investigation and emphasizes how it was a piece of the cowling, and not the failed first-stage fan blade, that penetrated the fuselage.
This is a companion discussion topic for the original entry at https://www.avweb.com/aviation-news/ntsb-issues-final-report-on-southwest-1380-accident