Word: stressful
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Dates: during 1970-1979
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...little uneasy. We have no handle on this one yet. Was it aging metal in a high-time machine? Was it stress? And what kind of stress? Was it quality control of the metal? And if we find out, what kind of fix can we ask to have made? We don't know...
...search for the cause of the DC-10 crash could be long and costly. Investigators, for example, are trying to determine just what effect the years of jolting landings and high-stress takeoffs have had on the key metal parts that hold the engine and pylon to the wing. They are even studying the possibility of "acoustical fatigue," the damage to metal that can be caused by oscillations of sound frequencies generated by the DC-10's engine and its associated metal structures. More than 100 FAA investigators are working with McDonnell Douglas to find the reasons...
...hardly buoyant these days. Carter is far from cocky. He is weakened politically, but that may be matched by Brezhnev's poor health and the doubt that it casts over Soviet leadership. It is a pattern in the exercise of power that in times of stress, these leaders respond in an elemental human fashion...
Investigators theorize that as the plane rolled down the runway, the pylon wiggled and vibrated far more than normal. Why is not yet known; the cracks in the plate may have caused-or been caused by-the vibration. In any case, the stress snapped the rear "attach" bolt and it fell out. The remaining bolts could not hold the 20 tons of thrust being generated by the General Electric CF6 engine. It yanked itself and the pylon loose from the wing and took...
...National Institute of Mental Health will inquire into the accident's psychological and behavioral impact. Its study will also seek new ways of coping with emotional stress in a future crisis...