Transport i infrastruktura · 20/10/2004
FAA Proposes Revision to Airworthiness Directive for Hartzell Propeller Turbopropellers
The Federal Aviation Administration (FAA) is proposing a revision to an existing airworthiness directive (AD) for Hartzell Propeller Inc. turbopropellers, requiring the use of specific bolts and washers to ensure proper attachment and torque, and eliminating the need for a one-time torque-check of certain bolts.