{"abstract":"This amendment adopts a new airworthiness directive (AD), applicable to AlliedSignal, Inc. (formerly Textron Lycoming) Models LTS101-650B1, -750B1, -650C, and -750C turboshaft engines, that requires installation of an improved power turbine (PT) rotor and electronic PT rotor overspeed controller as a terminating action to the currently required inspections of AD 88-14-01. This amendment is prompted by reports of additional bearing failures since publication of AD 88-14-01, including one additional uncontained PT disk failure. The actions specified by this AD are intended to prevent PT overspeed and uncontained engine failure.","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/1996/02/22/96-2589.html","cfr_references":[{"chapter":null,"citation_url":null,"part":39,"title":14}],"citation":"61 FR 6766","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"Effective April 22, 1996.","disposition_notes":null,"docket_ids":["Docket No. 95-ANE-08","Amendment 39-9459","AD 95-26-01"],"dockets":[],"document_number":"96-2589","effective_on":"1996-04-22","end_page":6768,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":null,"html_url":"https://www.federalregister.gov/documents/1996/02/22/96-2589/airworthiness-directives-alliedsignal-inc-formerly-textron-lycoming-models-lts101-650b1--750b1--650c","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/96-2589?publication_date=1996-02-22","mods_url":"https://www.govinfo.gov/metadata/granule/FR-1996-02-22/96-2589/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":37,"last_updated":"2026-08-25 00:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-1996-02-22/pdf/96-2589.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"1996-02-22","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/1996/02/22/96-2589.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-09-21T00:23:23Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":6766,"subtype":null,"title":"Airworthiness Directives; AlliedSignal, Inc. (formerly Textron Lycoming) Models LTS101-650B1, -750B1, -650C, and -750C Turboshaft Engines","toc_doc":null,"toc_subject":null,"topics":[],"type":"Rule","volume":61}