federal_register: 2017-19962

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2017-19962 Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines Proposed Rule We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Corporation (RRC) AE 3007A and AE 3007C model turbofan engines. This proposed AD was prompted by an updated analysis that lowered the life limit of fan wheels installed on the affected engines. This proposed AD would require removal of the affected fan wheel at new, lower life limits. We are proposing this AD to address the unsafe condition on these products. 2017-09-22 2017 9 https://www.federalregister.gov/documents/2017/09/22/2017-19962/airworthiness-directives-rolls-royce-corporation-turbofan-engines https://www.govinfo.gov/content/pkg/FR-2017-09-22/pdf/2017-19962.pdf Transportation Department; Federal Aviation Administration 492,159 We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Corporation (RRC) AE 3007A and AE 3007C model turbofan engines. This proposed AD was prompted by an updated analysis that lowered the life limit of fan wheels installed on...  

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