Boeing is testing its software fix for the 737 Max plane. CEO Dennis Muilenburg says the company has completed 96 flights so far to make sure updates to the aircraft's anti-stalling system work properly. Speaking at the George W. Bush Presidential Center in Dallas yesterday, Muilenburg said Boeing is also making progress in simulator training of pilots and crew members from airlines flying the aircraft. He said the company will likely submit its plan to fix the Max to the FAA within the next two weeks for approval. The 737 Max remains grounded after the jetliner's anti-stall system was implicated in two deadly crashes in a matter of months.