Indonesian investigators has said  Lion Air pilots struggled to maintain control of a Boeing jet that crashed last month, as its automatic safety system repeatedly pushed the plane's nose down  .<br />''   <br />''   Indonesian authorities investigating  the deadly crash has said this in a draft preliminary report based on  Black box data.  Information from the Lion Air jet's flight data recorder was included in a briefing for the Indonesian Parliament.<br />''       <br />''The investigators are focusing on whether faulty information from sensors led the plane's system to force the nose down.<br />''       <br />'' Peter Lemme, an expert in aviation and satellite communications and a former Boeing engineer, told the  Associated press  that the  pilots failed to recognize the emergency and    follow the known procedure for countering incorrect activation of the automated safety system .<br />'' <br />''The MAX aircraft, the latest version of Boeing's popular 737 jetliner, includes an automated system that pushes the nose down if a sensor detects that the nose is pointed so high that the plane could go into an aerodynamic stall.  The new  Lion Air Boeing 737 MAX 8 plunged into the Java Sea on October 29, killing all 189 people on board, including an Indian pilot.<br />''<br />