Boeing restarted production of its best-selling 737 MAX jetliner last week, about a month after the end of a seven-week strike by 33,000 factory workers, according to three sources familiar with the matter.

Boeing has resumed production of its 737 Max as it tries to put a nightmarish year behind it. Why it matters: The jet maker is trying to get back on its feet after a bruising strike and a series of quality and safety breakdowns that have undermined production,