Cessna 152 — Service Manual

This document provides instructions for the continued airworthiness of the McFarlane Aviation PMA replacement vertical fin fittings (P/N MC0431148-1) that are eligible for installation on Cessna 150 and 152 aircraft. It details the installation, removal, and replacement procedures for the vertical fin fittings, which are critical components that attach to the vertical and horizontal stabilizers. The document emphasizes the importance of proper installation by qualified personnel and outlines the necessary tools and procedures to ensure safety and compliance with FAA regulations. It also references relevant Cessna service manuals for additional operational control and maintenance guidance.

• Part number MC0431148-1 is for vertical fin fittings on Cessna 150 and 152 aircraft.
• Installation must be performed by an A&P mechanic with structural sheet metal experience.
• Vertical fin fittings are prone to cracking due to cyclic loading; both should be replaced if one is defective.
• Pilot holes for fitting installation should be drilled to 0.191 inches as per AC 43.13.
• Frequent inspections of vertical fin fittings are required according to Cessna Service Manuals.