{"abstract":"The FAA is superseding Airworthiness Directive (AD) 2017-09-06 for all General Electric Company (GE) GEnx-1B and GEnx-2B model turbofan engines. AD 2017-09-06 required updating electronic engine control (EEC) full authority digital electronic control (FADEC) software on GEnx-1B and GEnx-2B turbofan engines and replacing a certain fan hub frame assembly part installed on GEnx-2B turbofan engines. This AD requires updating EEC software on GEnx-1B and GEnx-2B engines and replacing a certain fan hub frame assembly part installed on GEnx-2B engines. This AD was prompted by the development of a design change by GE to remove the unsafe condition. The FAA is issuing this AD to address the unsafe condition on these products.","action":"Final rule.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Federal Aviation Administration","name":"Federal Aviation Administration","id":159,"url":"https://www.federalregister.gov/agencies/federal-aviation-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/159","parent_id":492,"slug":"federal-aviation-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2020/06/19/2020-13126.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"85 FR 37000","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This AD is effective July 24, 2020.","disposition_notes":null,"docket_ids":["Docket No. FAA-2019-0683","Project Identifier AD-2020-00149-E","Amendment 39-21149","AD 2020-13-04"],"dockets":[{"supporting_documents":[{"title":"Regulatory Evaluation Form","document_id":"FAA-2019-0683-0002"}],"agency_name":"FAA","documents":[{"comment_count":0,"comment_start_date":"2020-06-19","updated_at":"2023-03-01T14:44:59.529-05:00","comment_url":"https://www.regulations.gov/commenton/FAA-2019-0683-0010","allow_late_comments":null,"id":"FAA-2019-0683-0010","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":1,"id":"FAA-2019-0683","title":"General Electric Company Turbofan Engines\t2015-NE-02-AD\n\n"}],"document_number":"2020-13126","effective_on":"2020-07-24","end_page":37003,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2020/06/19/2020-13126.xml","html_url":"https://www.federalregister.gov/documents/2020/06/19/2020-13126/airworthiness-directives-general-electric-company-turbofan-engines","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2020-13126?publication_date=2020-06-19","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2020-06-19/2020-13126/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":621,"last_updated":"2026-04-27 10:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2020-06-19/pdf/2020-13126.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2020-13126.pdf?1592484316","publication_date":"2020-06-19","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2020/06/19/2020-13126.txt","regulation_id_number_info":{"2120-AA64":{"issue":"202410","html_url":"https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives","title":"Airworthiness Directives","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=202410&RIN=2120-AA64&operation=OPERATION_EXPORT_XML","priority_category":"Routine and Frequent"}},"regulation_id_numbers":["2120-AA64"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Regulatory Evaluation Form","document_id":"FAA-2019-0683-0002"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives","title":"Airworthiness Directives"},"comments_count":0,"agency_id":"FAA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FAA-2019-0683","supporting_documents_count":1,"docket_id":"FAA-2019-0683","document_id":"FAA-2019-0683-0010","regulation_id_number":"2120-AA64","title":"General Electric Company Turbofan Engines\t2015-NE-02-AD\n\n","checked_regulationsdotgov_at":"2023-03-01T19:44:58Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":37000,"subtype":null,"title":"Airworthiness Directives; General Electric Company Turbofan Engines","toc_doc":"General Electric Company Turbofan Engines","toc_subject":"Airworthiness Directives:\n","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Rule","volume":85}