{"abstract":"The FAA is correcting a Notice of Proposed Rulemaking (NPRM) that was published in the Federal Register. That NPRM proposed to issue an airworthiness directive (AD) that would apply to all Leonardo S.p.a. Model AB139, AW139, and AW189 helicopters. As published, the references to the incorporated material in paragraphs (h)(1) through (4), and paragraph (i) of the NPRM reference an incorrect mandatory continuing airworthiness information (MCAI) identifier. This document corrects that error. In all other respects, the original document remains the same; however, for clarity, the FAA is publishing the entire proposed rule in the Federal Register.","action":"Proposed rule; correction.","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/2026/02/26/2026-03873.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"39","title":14}],"citation":"91 FR 9514","comment_url":null,"comments_close_on":"2026-03-12","correction_of":null,"corrections":[],"dates":"The last date for submitting comments to the NPRM (91 FR 3081, January 26, 2026) remains March 12, 2026.","disposition_notes":null,"docket_ids":["Docket No. FAA-2026-0025","Project Identifier MCAI-2025-01294-R"],"dockets":[{"supporting_documents":[{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0025-0006"},{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0025-0004"},{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0025-0002"}],"agency_name":"FAA","documents":[{"comment_count":0,"comment_start_date":"2026-02-26","updated_at":"2026-03-13T00:03:19.196-04:00","comment_url":"https://www.regulations.gov/commenton/FAA-2026-0025-0003","allow_late_comments":false,"id":"FAA-2026-0025-0003","comment_end_date":"2026-03-13","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":3,"id":"FAA-2026-0025","title":"MCAI-2025-01294-R; LEONARDO S.p.A. AB139, AW139 and AW189 Rotors Flight Control – Brake Pedal Assembly"}],"document_number":"2026-03873","effective_on":"2026-01-26","end_page":9516,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/02/26/2026-03873.xml","html_url":"https://www.federalregister.gov/documents/2026/02/26/2026-03873/airworthiness-directives-leonardo-spa-helicopters","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-03873?publication_date=2026-02-26","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-02-26/2026-03873/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":146,"last_updated":"2026-07-28 00:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-02-26/pdf/2026-03873.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-03873.pdf?1772027118","publication_date":"2026-02-26","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/02/26/2026-03873.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-2026-0025-0004"},{"title":"U.S. DOT/FAA - Supplemental AD Documents","document_id":"FAA-2026-0025-0002"}],"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-2026-0025","supporting_documents_count":2,"docket_id":"FAA-2026-0025","document_id":"FAA-2026-0025-0003","regulation_id_number":"2120-AA64","title":"MCAI-2025-01294-R; LEONARDO S.p.A. AB139, AW139 and AW189 Rotors Flight Control – Brake Pedal Assembly","checked_regulationsdotgov_at":"2026-03-13T04:03:18Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":9514,"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":"Proposed Rule","volume":91}