Boeing says it expects its grounded 737 MAX airliners to return to commercial service in January.<br />Boeing's 737 MAX aircraft have been grounded in some forty countries since March this year,... following two deadly crashes that killed 346 people.<br />Boeing said on Monday it's working to get the U.S. Federal Aviation Administration's approval to get the plane back into service.<br />Boeing also added the final decision rests with the FAA, and listed five processes the 737 MAX must pass to ensure safety and resume commercial service.<br />It noted the first step, the simulator evaluation session, was completed last week, and said it's now working on the next step.<br />Boeing's share price rose five percent on the optimistic outlook.<br />