Resumo
We are superseding airworthiness directive (AD) 93-17-13 for Schweizer Aircraft Corporation and Hughes Helicopters, Inc. (now Sikorsky Aircraft Corporation) (Sikorsky) Model TH55A, 269A, 269A-1, 269B, and 269C helicopters. AD 93-17-13 required installing tachometer markings and inspecting the lower coupling driveshaft (driveshaft). This new AD requires repetitive inspections of the driveshaft and expands the applicability to include Model 269C-1 helicopters. This AD is prompted by reports of accidents because of driveshaft failures. The actions of this AD are intended to prevent the unsafe condition on these products.
Detalhes da diretiva
Número da AD
FAA-2016-6968
Número do documento
2017-15032
Tipo
Rule
Data de publicação
July 21, 2017
Data de vigência
August 25, 2017
Fabricante afetado
Sikorsky Aircraft Corporation Helicopters (Type Certificate Previously Held by Schweizer Aircraft Corporation)
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2016-6968
Tópicos
Documentos oficiais
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