777X flight-test delayed as GE boosts GE9X durability : GE studying engine modification options; Boeing is likely to hold 777X flight tests for final GE9X certification standard

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  • English

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Filing Info

  • Accession Number: 01737369
  • Record Type: Publication
  • Source Agency: Northwestern University Transportation Library
  • Files: TLIB
  • Created Date: Apr 23 2020 12:10PM