{"abstract":"We are adopting a new airworthiness directive (AD) for the products listed above. This 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":"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/2008/05/30/E8-12061.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"73 FR 31019","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This AD becomes effective June 16, 2008.","disposition_notes":null,"docket_ids":["Docket No. FAA-2008-0597","Directorate Identifier 2008-NE-12-AD","Amendment 39-15542","AD 2008-11-19"],"dockets":[],"document_number":"E8-12061","effective_on":"2008-06-16","end_page":31021,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2008/05/30/E8-12061.xml","html_url":"https://www.federalregister.gov/documents/2008/05/30/E8-12061/airworthiness-directives-rolls-royce-plc-rr-models-trent-768-60-772-60-772b-60-and-772c-60-turbofan","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/E8-12061?publication_date=2008-05-30","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2008-05-30/E8-12061/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":31,"last_updated":"2026-04-04 12:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2008-05-30/pdf/E8-12061.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2008-05-30","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2008/05/30/E8-12061.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":{"checked_regulationsdotgov_at":"2011-11-14T05:33:52Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":31019,"subtype":null,"title":"Airworthiness Directives; Rolls-Royce plc (RR) Models Trent 768-60, 772-60, 772B-60, and 772C-60 Turbofan Engines","toc_doc":"Rolls-Royce plc (RR) Models Trent 768-60, 772-60, 772B 60, and 772C-60 Turbofan Engines","toc_subject":"Airworthiness Directives:","topics":["Air transportation","Aircraft","Aviation safety","Safety"],"type":"Rule","volume":73}