[1/6] Ethiopian Federal policemen stand at the scene of the Ethiopian Airlines Flight ET 302 plane crash, near the town of Bishoftu, southeast of Addis Ababa, Ethiopia March 11, 2019.
The United States National Transportation Safety Board (NTSB), in dissenting comments included in the Ethiopian report, disagreed with at least two key findings of the investigation into the crash of a Boeing 737-MAX flight.
Boeing has previously said the MCAS was a safety feature and the issues identified after the crash of flight 302, which followed one of a similar plane in Indonesia five months earlier, have been rectified.
"Discussion of crew resource management and performance were still not sufficiently developed in the draft final report," the NTSB said.
The accident involving Flight 302 followed another incident five months earlier, when the same model crashed in Indonesia, killing 189 people.