CEO Kelly Ortberg has a four-point plan to improve Boeing. Ending the strike is a start, but analysts say it will take time to ramp up production.

The Federal Aviation Administration said on Thursday it will boost its oversight of Boeing as the planemaker prepares to resume production of its 737 MAX jets following a 53-day strike that ended earlier this week.

Boeing says it will be several weeks before it fully resumes building passenger planes, as factory workers return following a strike that lasted nearly two months