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