{"abstract":"The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Model AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters. This AD was prompted by the in-flight loss of a sliding door. This AD requires inspecting each sliding door and replacing the upper rail or front roller or removing the front roller from service if necessary. The actions of this AD are intended to address an unsafe condition on these products.","action":"Final rule; request for comments.","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/2021/02/16/2021-03063.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"86 FR 9433","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This AD becomes effective March 3, 2021.","disposition_notes":null,"docket_ids":["Docket No. FAA-2021-0021","Project Identifier MCAI-2020-01088-R","Amendment 39-21419","AD 2021-03-16"],"dockets":[],"document_number":"2021-03063","effective_on":"2021-03-03","end_page":9436,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2021/02/16/2021-03063.xml","html_url":"https://www.federalregister.gov/documents/2021/02/16/2021-03063/airworthiness-directives-airbus-helicopters","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2021-03063?publication_date=2021-02-16","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2021-02-16/2021-03063/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":580,"last_updated":"2026-04-04 18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2021-02-16/pdf/2021-03063.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2021-03063.pdf?1612991718","publication_date":"2021-02-16","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2021/02/16/2021-03063.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":"Supporting AD Document","document_id":"FAA-2021-0021-0006"},{"title":"Airworthiness Directives: Airbus Helicopters","document_id":"FAA-2021-0021-0005"},{"title":"Supporting AD Documents","document_id":"FAA-2021-0021-0004"},{"title":"Airworthiness Directives: Airbus Helicopters","document_id":"FAA-2021-0021-0001"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2120-AA64/airworthiness-directives","title":"Airworthiness Directives"},"comments_count":3,"agency_id":"FAA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FAA-2021-0021","supporting_documents_count":4,"docket_id":"FAA-2021-0021","document_id":"FAA-2021-0021-0001","regulation_id_number":"2120-AA64","title":"MCAI-2020-01088-R:Airbus Helicopters AS350/355 sliding door issue","checked_regulationsdotgov_at":"2021-04-03T05:05:17Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":9433,"subtype":null,"title":"Airworthiness Directives; Airbus Helicopters","toc_doc":"Airbus Helicopters","toc_subject":"Airworthiness Directives:\n","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Rule","volume":86}