The NTSB is investigating the loss of a “door plug” from an Alaska Airlines plane mid-flight. Lynda Kinkade speaks with Graham Braithwaite, Professor of Safety and Accident Investigation at Cranfield University, about what officials are looking for.The NTSB is investigating the loss of a “door plug” from an Alaska Airlines plane mid-flight. Lynda Kinkade speaks with Graham Braithwaite, Professor of Safety and Accident Investigation at Cranfield University, about what officials are looking for.
