| 1. | When they showed fatigue cracks three of the bells were temporarily stopped.
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| 2. | The accident was caused by a fatigue crack in a wing spar.
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| 3. | It had fatigue cracks and would have failed at some point.
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| 4. | After the accident, 49 found bolts were investigated : 41 had fatigue cracks.
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| 5. | Investigators discovered an impurity and fatigue crack in the disk.
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| 6. | After the accident 49 recovered bolts were investigated from which 41 had fatigue cracks.
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| 7. | In 1977, fatigue cracks were discovered in the wings of the British Airways Trident fleet.
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| 8. | The fatigue crack had grown over time from a hydrophone port in the bracing tube.
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| 9. | His work is also used for modeling of fatigue crack growth under aircraft spectrum loading.
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| 10. | Sixteen contained minor fatigue cracks in different critical locations.
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