The visit comes six years after the fatal crash of Ethiopian Airlines Flight 302, which involved a Boeing 737 Max jet.

U.S. Transportation Secretary Sean Duffy said he plans to visit a Boeing factory in Renton, Washington, on Thursday to ensure the U.S. planemaker is maintaining the highest level of safety, six years after a deadly 737 MAX crash in Ethiopia.

Duffy's visit comes as Boeing faces renewed safety concerns following a recent in-flight panel detachment and the 737 Max crash anniversary

U.S. Transportation Secretary Sean Duffy is set to visit Boeing’s (NYSE:BA) Renton, Washington, facility on Thursday to assess the company’s safety protocols, marking six years since the fatal 737 Max crash in Ethiopia.