| 1. | Raymond Auffray told the newspaper that investigators should focus on turbine discs inside
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| 2. | The bleed air cooling the turbine discs is treated in a similar manner.
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| 3. | The WU was effectively destroyed by turbine disc failure on 22nd February 1941.
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| 4. | The prop blades are attached directly to the outside of the rotating turbine disc.
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| 5. | The turbine disc was later found to have manufacturing faults.
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| 6. | An LP turbine disc was ejected from the engine, rupturing two fuel tanks and starting a fire.
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| 7. | Auffray said the pilots'loss of control indicates that a ruptured turbine disc may have caused the engine to break up inside.
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| 8. | Air, bled from the compressor exit, passes around the combustor and is injected into the rim of the rotating turbine disc.
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| 9. | Finally, the turbine disc was found about four kilometres ( 2.5 miles ) from the site; it was broken into three similar-sized pieces.
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| 10. | It was caused by the disintegration of one of the turbine discs in one of the plane's engines, leading to uncontained engine failure.
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