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On the afternoon of July 19, 2009 the United flight 232 was destined for Chicago from Denver. It was being piloted by Captain Al Haynes along with ten of his colleagues and 285 passengers. After crossing into Iowa, a loud bang was heard from the rear of the aircraft, indicating engine failure…
Finally the crew succeeded in emergency landing at Sioux City, but unfortunately the starboard wingtip touched down just prior to the landing gear, pulling the aircraft sideways. And the aircraft broke up and turned into a huge fireball. Out of 296 people onboard, 111 died and 185 survived.
Problem Statement: The aircraft became uncontrollable mainly because of the fracture of the fan disk. Besides the human failure of the maintenance team in detecting such a serious crack, there are quite a few pertinent issues related mainly to the design of engine fan rotor assembly and the hydraulic flight control system. In addition, after the crash-landing, the rescue team and the fire-fighting team committed some mistakes, which might have resulted in loss of some more lives. The key issues here are;
Approach and Analysis: Investigating this disaster was lot easier because all the four cockpit crew members, who were handing the machinery to somehow make a safe landing, were alive to tell the story. The disaster was investigated by;
Results: Oversight and a casual approach often results in serious consequences is proved once again by the investigating team in this case as well. Though manufacturing defect is the major cause but the involvement of human beings during the processes of certification and maintenance could not help in detecting and prevention. Investigators found out that;
It was routinely undergoing through ...
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