federal_register: 2015-28534

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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
2015-28534 Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines Proposed Rule We propose to adopt a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (PWC) PT6A-60AG, -65AG, -67AF, and -67AG turboprop engines. This proposed AD was prompted by incidents of corrosion and perforation of the two-ply Cu-Be bellows in Woodward fuel control units (FCUs). This proposed AD would require removing the Woodward FCU and installing an FCU that is eligible for installation. We are proposing this AD to prevent failure of the Woodward FCU, which could lead to failure of the engine, in-flight shutdown, and loss of control of the airplane. 2015-11-10 2015 11 https://www.federalregister.gov/documents/2015/11/10/2015-28534/airworthiness-directives-pratt-and-whitney-canada-corp-turboprop-engines https://www.govinfo.gov/content/pkg/FR-2015-11-10/pdf/2015-28534.pdf Transportation Department; Federal Aviation Administration 492,159 We propose to adopt a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (PWC) PT6A-60AG, -65AG, -67AF, and -67AG turboprop engines. This proposed AD was prompted by incidents of corrosion and perforation of the two-ply Cu-Be...  

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