federal_register: E9-23193

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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
E9-23193 Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135BJ, -135ER, -135KE, -135KL, -135LR, -145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes Proposed Rule We are revising an earlier supplemental NPRM for the products listed above. This action revises the earlier supplemental NPRM by expanding the scope. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: It has been found the occurrence of engine anti-ice system valve failure, where the valve spring seat has broken and obstructed the anti-ice system venturi tube. Therefore, should the aircraft encounter icing conditions, ice may accrete in the engine inlet lip and be ingested through the air inlet, resulting in possible engine damage and flame- out. The proposed AD would require actions that are intended to address the unsafe condition described in the MCAI. 2009-09-25 2009 9 https://www.federalregister.gov/documents/2009/09/25/E9-23193/airworthiness-directives-empresa-brasileira-de-aeronautica-sa-embraer-model-emb-135bj--135er--135ke https://www.govinfo.gov/content/pkg/FR-2009-09-25/pdf/E9-23193.pdf Transportation Department; Federal Aviation Administration 492,159 We are revising an earlier supplemental NPRM for the products listed above. This action revises the earlier supplemental NPRM by expanding the scope. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an...  

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