Diamond DA20 — Service Bulletins

This document is an Airworthiness Directive (AD) schedule specifically for the Diamond DA 20 series aircraft, including the DA 20 A1 and DA 20 C1 models. Issued by the CAA of New Zealand, it outlines mandatory inspections and modifications required to maintain airworthiness and safety. The directives are applicable to specific serial numbers and include compliance timelines. The document serves as a critical reference for operators and maintenance personnel to ensure that the aircraft meets safety standards and regulatory requirements. It includes detailed instructions for inspections, modifications, and amendments to the Aircraft Flight Manual (AFM).

• DA 20 A1 aircraft must inspect aileron controls within the next 10 hours TIS.
• Rudder pedals on DA 20 A1 must have AFM amendments and placards installed before further flight.
• DA20-C1 aircraft must follow specific fuel system maintenance based on operational history to prevent engine shutdown.
• AFM revision 23 mandates specific preflight idle mixture and ground idle speed limitations for DA20-C1 aircraft.
• Compliance deadlines are critical; failure to comply may result in safety risks.