Beechcraft 60 Duke — Service Bulletins

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia concerning the Beechcraft 60 Duke series aeroplanes. It outlines mandatory actions required to ensure the airworthiness of the aircraft, specifically focusing on the inspection and replacement of wing attachment hardware. The directive emphasizes the importance of maintaining the integrity of wing bolts, washers, nuts, and fittings, which are critical for safe flight operations. Compliance with the directive is required within specified timeframes to mitigate potential safety risks associated with wing attachment failures.

• Inspect wing bolts, washers, nuts, and fittings as per the Beechcraft Duke 60 Series Maintenance Manual.
• Initial inspection required within 5 years of installation or 100 hours after February 1, 1996, whichever is later.
• Re-inspect wing attachment hardware at intervals not exceeding 5 years.
• Retire wing hardware before 15 years after initial installation or 100 hours after February 1, 1996, whichever is later.
• Ensure torque values are checked before replacement of wing hardware.