Hearings to be held on Boeing 737 MAX 9's door panel blowout incident

SAN FRANCISCO, Aug. 6 (Xinhua) -- The U.S. National Transportation Safety Board (NTSB) will hold hearings on Tuesday and Wednesday in Washington, D.C., presenting evidence and witness testimony related to the Alaska Airlines mid-air door panel blowout of a Boeing 737 MAX 9 on Jan. 5 over Portland, the U.S. state of Oregon.

Workers at Boeing's Renton factory failed to properly secure that fuselage piece, the NTSB