CESSNA 180 — Service Bulletins

This document is an Alert Service Bulletin issued by Hartzell Propeller Inc. regarding the replacement of propellers on Cessna 180 aircraft equipped with floats. Specifically, it addresses the Hartzell PHC-(C,G)3YF-1RF/F7691( ) propeller, which has been reported to not provide adequate thrust for climb performance when installed on Cessna 180 aircraft with floats. The bulletin outlines the compliance requirements for replacing this propeller with the PHC-(C,G)3YF-1RF/F8468A-6R model. The document includes detailed instructions for compliance, including warnings about the consequences of non-compliance, and provides information on the necessary materials and estimated labor hours for the replacement process. It also discusses the weight and balance implications of the new propeller and lists recommended repair facilities for installation.

• The Cessna 180 (A-H,J,K) equipped with floats must replace the PHC-(C,G)3YF-1RF/F7691( ) propeller with the PHC-(C,G)3YF-1RF/F8468A-6R propeller before the next flight.
• Failure to comply with this service bulletin may result in death or serious injury.
• Approximately 2.0 man hours are required for propeller removal and replacement, and 3.0 man hours for dynamic balance.
• The new propeller is 9.0 lb (0.45 kg) heavier than the old model, affecting weight and balance calculations.
• Special pricing for the new propeller assembly is available until May 31, 2009.