federal_register: 2015-25643

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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
2015-25643 Airworthiness Directives; Dowty Propellers Constant Speed Propellers Proposed Rule We propose to adopt a new airworthiness directive (AD) for certain Dowty Propellers R352/6-123-F/1, R352/6-123-F/2, and R410/6- 123-F/35 model propellers. This proposed AD was prompted by reports of dowel hole cracks in the face of the rear hub half. This proposed AD would require a records review to determine repair status and marking the affected propeller hubs as required. This proposed AD would also require installing dowel hole liners as necessary. We are proposing this AD to prevent loss of structural integrity of the propeller hub, which could result in damage to the propeller and damage to the airplane. 2015-10-13 2015 10 https://www.federalregister.gov/documents/2015/10/13/2015-25643/airworthiness-directives-dowty-propellers-constant-speed-propellers https://www.govinfo.gov/content/pkg/FR-2015-10-13/pdf/2015-25643.pdf Transportation Department; Federal Aviation Administration 492,159 We propose to adopt a new airworthiness directive (AD) for certain Dowty Propellers R352/6-123-F/1, R352/6-123-F/2, and R410/6- 123-F/35 model propellers. This proposed AD was prompted by reports of dowel hole cracks in the face of the rear hub half.... 2120-AA64

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