Eurocopter to solve EC 145’s tail-rotor control issue | Aviation International News

Eurocopter to solve EC 145’s tail-rotor control issue

Eurocopter is to issue a Service Bulletin that should solve a fleet-wide problem with the EC 145’s tail-rotor controls.

By Thierry Dubois • Writer

June 4, 2007

Eurocopter is to issue a Service Bulletin that should solve a fleet-wide problem with the EC 145’s tail-rotor controls. In April, the FAA had issued an airworthiness directive (AD) calling for inspections and possible part replacement. The AD followed an in-flight incident that caused severe vibrations.

In the incident, the threaded portion of the tail-rotor control lever containing a dynamic weight broke off, leading to severe vibrations. Concerned that such vibrations could cause a loss of control, German and U.S. civil aviation authorities have required operators to perform inspections immediately.

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