Cessna 402 — Airworthiness Directives

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) of Australia, specifically addressing safety concerns related to the Cessna 400 series aircraft, including the Cessna 402. The directive mandates inspections of the auxiliary wing spars for cracks, particularly in the area where the main landing gear trunnion is mounted. The AD outlines the compliance requirements, including inspection intervals and actions to take if cracks are found. It is crucial for operators of the affected aircraft models to adhere to these directives to ensure safety and prevent potential accidents related to wing structure failure.

• The AD applies to Cessna 402 aircraft, serial numbers 402-0001 to 402-0322.
• Visual inspections of the auxiliary wing spar for cracks are mandatory.
• Cracks of 0.5 inches or more require immediate part replacement before further flight.
• For cracks less than 0.5 inches, inspections must occur every 50 hours, with parts replaced within 200 hours or 12 months.
• Initial inspections must be completed within 10 hours of service after March 2, 2009.