Diamond DA42 NG — Weight And Balance

This Product Reference Memo (PRM) provides essential information regarding the wheel assemblies used in various aircraft models, including the Diamond DA42 NG. It outlines the inspection and replacement procedures for tie bolt sets in the specified wheel assemblies. The memo emphasizes the importance of compliance with updated fastener design standards to ensure safety and performance. It includes guidance on proper installation and maintenance practices, as well as the necessary components for overhauling wheel assemblies. The memo is intended for aircraft owners and maintenance personnel to ensure adherence to safety standards and operational efficiency.

• The memo applies to the Diamond DA42 NG and other aircraft models.
• It is recommended to change the entire fastener system during tire changes or overhauls.
• Compliance with the memo's recommendations is optional for owners.
• Inspection of the tie bolt system should ensure one complete thread is exposed above the nut.
• Proper torque values for tie bolts are 35 lb-in (3.95 N-m) and 75 lb-in (8.5 N-m).