{"abstract":"We propose to revise an existing airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:","action":"Notice of proposed rulemaking (NPRM).","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/2009/12/23/E9-30511.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"74 FR 68194","comment_url":null,"comments_close_on":"2010-01-22","correction_of":null,"corrections":[],"dates":"We must receive comments on this proposed AD by January 22, 2010.","disposition_notes":null,"docket_ids":["Docket No. FAA-2009-0302","Directorate Identifier 2009-NE-09-AD"],"dockets":[],"document_number":"E9-30511","effective_on":null,"end_page":68196,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2009/12/23/E9-30511.xml","html_url":"https://www.federalregister.gov/documents/2009/12/23/E9-30511/airworthiness-directives-turbomca-arriel-1b-1d-1d1-2b-and-2b1-turboshaft-engines","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/E9-30511?publication_date=2009-12-23","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2009-12-23/E9-30511/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":25,"last_updated":"2026-04-04 18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2009-12-23/pdf/E9-30511.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2009-12-23","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2009/12/23/E9-30511.txt","regulation_id_number_info":{"2120-AA64":{"issue":"202504","html_url":"https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives","title":"Airworthiness Directives","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=202504&RIN=2120-AA64&operation=OPERATION_EXPORT_XML","priority_category":"Routine and Frequent"}},"regulation_id_numbers":["2120-AA64"],"regulations_dot_gov_info":{},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":68194,"subtype":null,"title":"Airworthiness Directives; Turboméca ARRIEL 1B, 1D, 1D1, 2B, and 2B1 Turboshaft Engines","toc_doc":"Turbomeca ARRIEL 1B, 1D, 1D1, 2B, and 2B1 Turboshaft Engines","toc_subject":"Airworthiness Directives:","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Proposed Rule","volume":74}