Regulation & law · 19/12/2006Updated: 10/17/2026 · 1 min read

FAA Issues Revised Airworthiness Directive for Rolls-Royce 501-D Series Turboprop Engines

The Federal Aviation Administration (FAA) has superseded an existing airworthiness directive for Rolls-Royce Corporation's 501-D series turboprop engines, requiring the removal of turbine rotor components at reduced life limits and adding two new life limits to prevent uncontained turbine rotor failure.