CESSNA 172S Skyhawk — Maintenance Manual

This service letter, SEL-32-08, provides mandatory instructions for inspecting and potentially replacing the main landing gear bushing on Cessna 172S aircraft. It specifically addresses serial numbers from 172S12666 to 172S13014. The document outlines the reasons for the inspection, which include checking for disbonded liners that could lead to premature wear of the landing gear components. Compliance with this service letter is required during the next 100-hour or annual inspection. The document also details the necessary materials, tools, and step-by-step instructions for performing the inspection and any required modifications.

• Mandatory inspection for Cessna 172S aircraft serial numbers 172S12666 to 172S13014.
• Inspect main landing gear bushing for disbonded liner during the next 100-hour or annual inspection.
• Use ROYCO 11 MS grease for lubrication during maintenance.
• Follow specific steps for inspection and replacement as outlined in the document.
• Compliance must be recorded in the aircraft logbook.