Industry analysts had expected the plane to resume flying there in the coming months. But its return could become intertwined with the investigation into the crash of the 737-800 NG, analysts said, with Chinese government officials hesitant to bring back the Max as they investigate a crash involving its predecessor.The Max crashes were directly tied to flight-control software known as MCAS, which the Max is the only commercial airliner to use. That system was introduced to the Max to account for changes made when the plane was upgraded from the NG, or Next Generation, line.On Monday, Boeing said that it was in touch with China Eastern Airlines and with the National Transportation Saf …
