{"abstract":"We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. Models PA-32R-301T and PA-46-350P airplanes. This AD requires you to replace any spot-welded, V-band exhaust coupling with a riveted, V-band exhaust coupling. This AD results from reports that spot-welded, V-band exhaust couplings are failing. We are issuing this AD to prevent failure of the V-band exhaust coupling, which could cause the exhaust pipe to detach from the turbocharger. This failure could result in release of high-temperature gases inside the engine compartment and possibly cause an in-flight fire. An in-flight fire could lead to loss of control.","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/2010/06/23/2010-14991.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"75 FR 35619","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This AD becomes effective on July 28, 2010.","disposition_notes":null,"docket_ids":["Docket No. FAA-2010-0122","Directorate Identifier 2009-CE-067-AD","Amendment 39-16338","AD 2010-13-07"],"dockets":[],"document_number":"2010-14991","effective_on":"2010-07-28","end_page":35622,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2010/06/23/2010-14991.xml","html_url":"https://www.federalregister.gov/documents/2010/06/23/2010-14991/airworthiness-directives-piper-aircraft-inc-models-pa-32r-301t-and-pa-46-350p-airplanes","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2010-14991?publication_date=2010-06-23","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2010-06-23/2010-14991/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":760,"last_updated":"2026-09-20 12:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2010-06-23/pdf/2010-14991.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2010-06-23","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2010/06/23/2010-14991.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":{"checked_regulationsdotgov_at":"2010-07-13T16:15:16Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":35619,"subtype":null,"title":"Airworthiness Directives; Piper Aircraft, Inc. Models PA-32R-301T and PA-46-350P Airplanes","toc_doc":"Piper Aircraft, Inc. Models PA32R301T and PA46350P Airplanes","toc_subject":"Airworthiness Directives:","topics":["Air transportation","Aircraft","Aviation safety","Incorporation by reference","Safety"],"type":"Rule","volume":75}