federal_register: 2019-24786

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2019-24786 Airworthiness Directives; General Electric Company Turbofan Engines Proposed Rule The FAA proposes to supersede Airworthiness Directive (AD) 2017-09-06, which applies to all General Electric Company (GE) GEnx-1B and GEnx-2B model turbofan engines. AD 2017-09-06 requires updating electronic engine control (EEC) full authority digital electronic control (FADEC) software and replacing a certain fan hub frame assembly part installed on GEnx-2B turbofan engines. Since the FAA issued AD 2017-09-06, GE has developed a design change to remove the unsafe condition. This proposed AD would require removal from service of certain EEC FADEC software on GEnx-1B and GEnx-2B model turbofan engines and would also require replacing the affected fan hub frame assembly booster outlet guide vanes. The FAA is proposing this AD to address the unsafe condition on these products. 2019-11-19 2019 11 https://www.federalregister.gov/documents/2019/11/19/2019-24786/airworthiness-directives-general-electric-company-turbofan-engines https://www.govinfo.gov/content/pkg/FR-2019-11-19/pdf/2019-24786.pdf Transportation Department; Federal Aviation Administration 492,159 The FAA proposes to supersede Airworthiness Directive (AD) 2017-09-06, which applies to all General Electric Company (GE) GEnx-1B and GEnx-2B model turbofan engines. AD 2017-09-06 requires updating electronic engine control (EEC) full authority digital... 2120-AA64

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