AD/CESSNA 400/42 - Main Landing Gear Trunnion - Inspection and Replacement

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Legislation au F2006B08328 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Cessna 400 Series Aeroplanes

 

AD/CESSNA 400/42 Main Landing Gear Trunnion - Inspection

and Replacement


9/74

 

Applicability: All models 402B with S/Nos. 0575 to 0632. All models 414 with S/Nos. 0503 to 0543. All models 421B with S/Nos. 0322, 0584 to 0651.

 

Document: Cessna SL No. ME74-14. Compliance:  As per requirement document.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Parliament of the Commonwealth of Australia, form a critical component of the nation's aviation safety framework. This legislation aims to ensure that all civil aviation operations within Australia adhere to stringent safety standards, thereby protecting the public and promoting efficient and orderly development of civil aviation. One specific area addressed by the regulations is the issuance of Airworthiness Directives, which are mandatory orders issued by the Civil Aviation Safety Authority (CASA) to ensure the continued airworthiness of aircraft. These directives are crucial for identifying and mitigating safety issues that could potentially compromise the safety of aircraft operations. The particular legislative instrument F2006B08328, focusing on Cessna 400 Series Aeroplanes, is an example of how the Civil Aviation Regulations 1998 are applied to address specific safety concerns. This Airworthiness Directive mandates inspections and, if necessary, the replacement of main landing gear trunnions on certain models of Cessna 400 series aeroplanes. The directive is designed to rectify a recognised safety issue and ensure the continued compliance of these aircraft with airworthiness standards, thereby safeguarding the integrity of flight operations and the safety of all persons on board.

Scope and Application

The Civil Aviation Safety Authority's Regulations 1998, specifically under PART 39 - 105, pertain to the SCHEDULE OF AIRWORTHINESS DIRECTIVES, which are applicable to certain models of Cessna 400 Series aeroplanes. This particular directive, AD/CESSNA 400/42, addresses the main landing gear trunnion and mandates both inspection and replacement for specific models and serial numbers. The directive applies to all models 402B with serial numbers ranging from 0575 to 0632, all models 414 with serial numbers from 0503 to 0543, and all models 421B with serial numbers 0322, and from 0584 to 0651. This regulatory requirement is intended to ensure the continued airworthiness of these aircraft by addressing potential structural issues within the specified main landing gear trunnions. Compliance with these directives is mandatory and must be carried out in accordance with the detailed requirements outlined in the compliance document Cessna SL No. ME74-14.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39 - 105, includes a schedule of airworthiness directives which mandate certain actions to ensure the safety of aircraft. One such directive, AD/CESSNA 400/42, concerns the main landing gear trunnion of specific Cessna 400 series aeroplanes. Section (9/74) specifies that this directive applies to all models 402B with serial numbers 0575 to 0632, all models 414 with serial numbers 0503 to 0543, and all models 421B with serial numbers 0322, 0584 to 0651. Compliance with this directive is required as per the provided requirement document, Cessna SL No. ME74-14. The primary obligations imposed by this directive require the inspection and, if necessary, the replacement of the main landing gear trunnion on the specified aircraft models and serial numbers. This ensures that the integrity of the landing gear is maintained, thereby preventing potential safety hazards during flight operations. The directive requires that these inspections and replacements be conducted in accordance with the detailed procedures outlined in the compliance document, Cessna SL No. ME74-14. It is imperative that these actions are performed by appropriately qualified personnel to ensure that the work meets the required standards and specifications. Failure to comply with the airworthiness directive can lead to serious consequences. The Civil Aviation Safety Authority (CASA) can take enforcement action against any party found in breach of these regulations. The potential penalties for non-compliance can be substantial and may include fines, suspension or revocation of airworthiness certificates, or other administrative actions deemed necessary to enforce the directive. Additionally, failure to comply with these directives could result in civil or criminal liability, further underscoring the importance of adhering to the requirements set out in the regulations.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.