CESSNA 172H — Airworthiness Directives

This Airworthiness Directive (AD) issued by the European Union Aviation Safety Agency (EASA) addresses a critical safety issue related to turbocharger hoses installed on specific Cessna 172 models. The directive mandates the replacement of affected turbocharger hoses that may have been manufactured with defects, which could lead to significant loss of engine power. The AD applies to various models of the Cessna 172 series that have specific diesel engines installed under EASA Supplemental Type Certificates. Compliance with this AD is required to ensure the continued airworthiness of the affected aircraft. The document outlines the necessary actions and timelines for compliance, emphasizing the importance of addressing the identified safety risks promptly.

• Affected models include Cessna F172F, F172G, F172H, F172K, F172L, F172M, F172N, F172P, and various 172 series models.
• Turbocharger hoses with part number TAE EPA 40-7520-H0131 01 from a specific batch are affected.
• Replacement of affected hoses is required within 20 flight hours or 30 days after the effective date of the AD.
• Installation of affected parts is prohibited on Group 1 aeroplanes after replacement and from the effective date for Group 2 aeroplanes.
• The AD was issued due to a manufacturing defect that could lead to engine power loss.