Business · 04/06/2026

FAA Adopts New Airworthiness Directive for Airbus Helicopters Deutschland GmbH MBB-BK 117 D-3 Helicopters

The Federal Aviation Administration (FAA) has adopted a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH's (AHD) MBB-BK 117 D-3 helicopters, following a report of excessive vibrations caused by incorrect installation of the angular ball bearing in the control ring assembly. The AD requires a one-time inspection and may necessitate corrective actions, depending on the inspection results.

Original source language: Federal Register — Transportation DepartmentOpen original release →

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