Indonesian accident investigators on Friday issued their final report on last year's deadly crash of a Lion Air jet, saying both design flaws and maintenance issues contributed to the accident.The report by the National Transportation Safety Committee was particularly critical of Boeing Co.'s design of the 737 MAX 8's anti-stall system known as MCAS."The investigation considered that the design and certification of this feature was inadequate," a press release by the committee said.The system's reliance on one sensor made it "vulnerable to erroneous input from that sensor," it said, adding …READ FULL ARTICLE