{"abstract":"We propose to supersede airworthiness directive (AD) 2014-24- 08 that applies to all Rolls-Royce plc (RR) RB211-535E4-37, RB211- 535E4-B-37, and RB211-535E4-C-37 turbofan engines with certain low- pressure (LP) fuel filter-to-high-pressure (HP) fuel pump tube assemblies, or HP fuel pump-to-fuel flow governor (FFG) or FFG-to-HP pump inlet overspill return tube assemblies and flanged adaptor installed. AD 2014-24-08 requires replacing certain LP fuel filter-to- HP fuel pump tube assemblies. Since we issued AD 2014-24-08, fuel leaks have occurred at the flanged joints of the HP fuel pump-to-FFG tube assembly and FFG-to-HP pump inlet overspill return tube assembly. This proposed AD would retain the original AD requirements and also require installation of new HP fuel pump-to-FFG and FFG-to-HP pump inlet overspill return tube assemblies and flanged adaptor. We are proposing this AD to correct the unsafe condition on these products.","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/2017/05/26/2017-10440.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"82 FR 24262","comment_url":"https://www.regulations.gov/commenton/FAA-2014-0433-0008","comments_close_on":"2017-07-10","correction_of":null,"corrections":[],"dates":"We must receive comments on this proposed AD by July 10, 2017.","disposition_notes":null,"docket_ids":["Docket No. FAA-2014-0433","Directorate Identifier 94-ANE-39-AD"],"dockets":[{"supporting_documents":[{"title":"U.S. DOT/FAA - Supporting AD Documents","document_id":"FAA-2014-0433-0015"},{"title":"U.S. DOT/FAA - Various Supplemental AD Documents","document_id":"FAA-2014-0433-0007"},{"title":"U.S. DOT/FAA - Foreign Airworthiness Directive - Mandatory Continuing Airworthiness Information (MCAI)","document_id":"FAA-2014-0433-0005"}],"agency_name":"FAA","documents":[{"comment_count":6,"comment_start_date":"2017-05-26","updated_at":"2024-11-06T21:47:15.130-05:00","comment_url":"https://www.regulations.gov/commenton/FAA-2014-0433-0008","allow_late_comments":true,"id":"FAA-2014-0433-0008","comment_end_date":"2017-07-11","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":3,"id":"FAA-2014-0433","title":"94-ANE-39-AD\r\nRolls-Royce plc Turbofan Engines"}],"document_number":"2017-10440","effective_on":null,"end_page":24264,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2017/05/26/2017-10440.xml","html_url":"https://www.federalregister.gov/documents/2017/05/26/2017-10440/airworthiness-directives-rolls-royce-plc-turbofan-engines","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2017-10440?publication_date=2017-05-26","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2017-05-26/2017-10440/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":177,"last_updated":"2026-04-04 18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2017-05-26/pdf/2017-10440.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2017-10440.pdf?1495716331","publication_date":"2017-05-26","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2017/05/26/2017-10440.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":"U.S. DOT/FAA - Supporting AD Documents","document_id":"FAA-2014-0433-0015"},{"title":"U.S. DOT/FAA - Various Supplemental AD Documents","document_id":"FAA-2014-0433-0007"},{"title":"U.S. DOT/FAA - Foreign Airworthiness Directive - Mandatory Continuing Airworthiness Information (MCAI)","document_id":"FAA-2014-0433-0005"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2120-AA66/airspace-actions","title":"Airspace Actions"},"comments_count":6,"agency_id":"FAA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FAA-2014-0433","supporting_documents_count":3,"docket_id":"FAA-2014-0433","document_id":"FAA-2014-0433-0008","regulation_id_number":"2120-AA66","title":"94-ANE-39-AD\r\nRolls-Royce plc Turbofan Engines","checked_regulationsdotgov_at":"2024-11-08T00:55:11Z"},"regulations_dot_gov_url":"https://www.regulations.gov/commenton/FAA-2014-0433-0008","significant":false,"signing_date":null,"start_page":24262,"subtype":null,"title":"Airworthiness Directives; Rolls-Royce plc Turbofan Engines","toc_doc":"Rolls-Royce plc Turbofan Engines","toc_subject":"Airworthiness Directives:","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Proposed Rule","volume":82}