Boeing had known since at least 2011 that a part which failed on a UPS plane moments before it crashed, killing 15 people, had failed four times on three different aircraft, according to a new report. The three-engine plane only got 30ft off the ground after taking off from Louisville Muhammad Ali International Airport in Kentucky after losing its left engine while travelling down the runway on November 4 last year. The plane, which was bound for Honolulu in Hawaii, then crashed , killing 12