More than three decades after a 737 ripped open over Hawaii and stunned the flying public with the dangers of human error in aircraft maintenance, the aviation industry is still challenged to contain that risk and keep crews and passengers safe in the air.The toughest hurdle is persuading aircraft operators, manufacturers, vendors and their maintenance technicians to comply with procedures.The industry has made great progress since April 28, 1988, when the top of an Aloha Airlines Boeing 737's fuselage tore free at 24,000 feet. A flight attendant vanished and 94 others on board were terrified, with 65 injured. Images of them surrounded in the landed jet's front cabin by little more than moist island air and shredded metal shocked much of the world. It was vivid proof of the hazards in pushing aircraft beyond the eye's and brain's abilities to keep them flying safely.
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