FAA Safety Team | Safer Skies Through Education
GA Maintenance Alert
Safety and Security of Components
A review of recent helicopter accidents has revealed a number of improper maintenance practices and techniques. Contributing significantly to these accidents is the improper safety and security of critical flight control systems, engine systems, and drive system components. In some cases, proper torque was not applied, safety wire or cotter pins were not installed, self-locking nuts were reused numerous times where they lost their self-locking capability, and critical components were removed and reinstalled without following the Instructions for Continued Airworthiness (ICAs).
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