{"abstract":"The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model AB139 and AW139 helicopters. This AD was prompted by reports of a damaged spare inflation system of a certain life raft kit due to the inappropriate shipment of the parts. This AD requires replacing certain life raft inflation systems and prohibits installing an affected life raft inflation system on any helicopter. 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/2026/05/13/2026-09520.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"39","title":14}],"citation":"91 FR 26897","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This AD is effective June 17, 2026.","disposition_notes":null,"docket_ids":["Docket No. FAA-2026-0017","Project Identifier MCAI-2023-00681-R","Amendment 39-23326","AD 2026-09-05"],"dockets":[{"supporting_documents":[{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0017-0004"},{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0017-0002"}],"agency_name":"FAA","documents":[{"comment_count":0,"comment_start_date":"2026-05-13","updated_at":"2026-05-13T11:01:34.517-04:00","comment_url":"https://www.regulations.gov/commenton/FAA-2026-0017-0003","allow_late_comments":false,"id":"FAA-2026-0017-0003","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":2,"id":"FAA-2026-0017","title":"MCAI-2023-00681-R; LEONARDO S.p.A. AB139 and AW139 – Life Raft Inflation System"}],"document_number":"2026-09520","effective_on":"2026-06-17","end_page":26899,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/05/13/2026-09520.xml","html_url":"https://www.federalregister.gov/documents/2026/05/13/2026-09520/airworthiness-directives-leonardo-spa-helicopters","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-09520?publication_date=2026-05-13","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-05-13/2026-09520/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":122,"last_updated":"2026-05-16 16:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-05-13/pdf/2026-09520.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-09520.pdf?1778589918","publication_date":"2026-05-13","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/05/13/2026-09520.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":{"supporting_documents":[{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0017-0004"},{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0017-0002"}],"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-2026-0017","supporting_documents_count":2,"docket_id":"FAA-2026-0017","document_id":"FAA-2026-0017-0003","regulation_id_number":"2120-AA64","title":"MCAI-2023-00681-R; LEONARDO S.p.A. AB139 and AW139 – Life Raft Inflation System","checked_regulationsdotgov_at":"2026-05-14T11:55:04Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":26897,"subtype":null,"title":"Airworthiness Directives; Leonardo S.p.A. Helicopters","toc_doc":"Leonardo S.p.A. Helicopters","toc_subject":"Airworthiness Directives","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Rule","volume":91}