 I feel very confident that it will not happen again. Elizabeth Lund is Boeing's senior vice president for quality. She says Boeing has made a lot of changes since the door plug incident, making sure work is performed in the right sequence, documenting it correctly, and also rethinking how the company trains new hires. It worked before when we didn't have the high quantity of new people coming in. With so many new people coming on board, Lund says they weren't getting as much on-the-job training from experienced employees.