EASA AD US-2020-14-01
Main Rotor - Spindle to Yoke Bolts - Removal
Federal Aviation Administration Airworthiness Directive 2020-14-01 is a final rule addressing Bell Textron Inc. Model 214ST helicopters equipped with specific spindle to yoke bolts part number 214-010-262-103 and certain serial numbers. This directive mandates removal of bolts with nonconforming external thread root radii to prevent unsafe conditions. It prohibits installation of the affected bolts on any helicopter to ensure continued airworthiness.
Airworthiness DirectiveMaintenanceSafety MgmtBell Textron Inc. (Bti) 214STBell Textron Inc. 214ST