CESSNA 337G — Service Bulletins

This Service Bulletin (SB7064) issued by Parker Hannifin Corporation addresses potential defects in the 6-inch die cast wheel assemblies used in various Cessna aircraft models, including the Cessna 337. The bulletin outlines the need for inspection and replacement of affected wheel assemblies manufactured after March 1995. It emphasizes the importance of compliance to ensure safety and prevent loss of directional control or brake effectiveness during taxi operations. The bulletin is mandatory and provides detailed instructions for both spare inventory and installed products on aircraft, ensuring that users are informed of the necessary actions to take regarding their equipment.

• Affected part numbers include D-30660-1, D-30665, and others listed in the bulletin.
• Mandatory compliance is required for all Cessna aircraft using the specified wheel assemblies.
• Visual inspections must be conducted at the next annual inspection or within 100 flight hours.
• Defective products must be replaced or inspected using dye penetrant methods.
• Replacement kits for the affected wheel assemblies are available but the original products are no longer manufactured.