CESSNA A185F AMPHIBIAN — Service Bulletins

This service letter provides instructions for the installation of finger tabs on the nose box of Wipline model 3000 and 3450 amphibious floats, specifically as they relate to Cessna 180, 182, 185, and 206 aircraft. The letter outlines the potential issues with the nose track and nose box joint, which can lead to structural problems over time, especially under certain operational conditions. Compliance with the service letter is optional, but it is recommended to prevent further damage to the aircraft. The document includes detailed inspection and installation procedures, as well as a list of required parts and tools.

• This service letter applies to Cessna 180, 182, 185, and 206 aircraft with Wipline 3000 and 3450 floats.
• Compliance with the service letter is optional but recommended to prevent structural issues.
• Inspection of the nose track for looseness is critical; flexing indicates potential failure.
• Installation of finger patches requires specific adhesives and proper alignment during assembly.
• The estimated time to complete the outlined procedures is 8-10 hours.