AD/A320/74 Amdt 1 - Gusset Frame Attachment

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


AIRWORTHINESS DIRECTIVE


For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/A320/74 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

 

Airbus Industrie A319, A320, and A321 Series Aeroplanes

 

AD/A320/74

Amdt 1


Gusset Frame Attachment 13/2002

 

Applicability: All Model A320-111, -211, and -231 aircraft, without Airbus Modification 21778 incorporated in production or Airbus Service Bulletin A320-53-1072 incorporated in- service.

 

Requirement: Action in accordance with the requirements of DGAC AD 1996-234-087(B) R1.

 

Note: Incorporation of Airbus Service Bulletin A320-53-1072 is terminating action for the requirements of this Directive.

 

Note: Airbus Service Bulletins A320-53-1071 original issue, A320-53-1071 Revision 1 refer.

 

Compliance: As specified in the Requirement document.

 

This Amendment becomes effective on 26 December 2002.

 

Background: Fatigue tests have revealed cracks on the inner flange of door frame 66 at the hole of the gusset attachment of stringers P18 and P20.

Amendment 1 is issued in response to a revision of the related DGAC AD which introduces reference to Service Bulletin A320-53-1071 Revision 1, which specifies repair solutions to crack findings.


 

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 15 November 2002

 

 

 

 

 

The above AD is notified in the Commonwealth of Australia Gazette on 4 December 2002.

 


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Overview

The Civil Aviation Regulations 1998 (CAR 1998) was enacted to provide a comprehensive regulatory framework for civil aviation safety in Australia, aiming to address issues and gaps in ensuring the safe operation of aircraft. The CAR 1998 was introduced by the Australian Parliament under the Civil Aviation Act 1988 to provide a consistent and enforceable set of regulations governing all aspects of civil aviation, including airworthiness, pilot licensing, and operational safety. This legislative instrument, specifically addressing Airbus Industrie A319, A320, and A321 Series Aeroplanes, was enacted to rectify identified safety concerns. The Civil Aviation Safety Authority (CASA) issued the Airworthiness Directive (AD) AD/A320/74 Amendment 1 to address the issue of fatigue cracks discovered on the inner flange of door frame 66 at the gusset attachment of stringers P18 and P20. The directive mandates corrective actions to ensure the safe operation of the specified aircraft models. The policy objective is to maintain and enhance aviation safety by ensuring that aircraft meet the necessary airworthiness standards.

Scope and Application

The Civil Aviation Regulations 1998, as detailed in Part 39 - 105, pertain specifically to the aircraft industry within Australia, with a focus on maintaining the safety and airworthiness of civil aircraft. This legislative instrument is applicable to all Airbus Industrie A320-111, -211, and -231 series aeroplanes that do not have Airbus Modification 21778 incorporated into production or Airbus Service Bulletin A320-53-1072 incorporated into service. The directive applies to the geographical jurisdiction of the Commonwealth of Australia, and it is enforced by the Civil Aviation Safety Authority (CASA). The Airworthiness Directive (AD) mandates corrective action to address an unsafe condition identified through fatigue testing, specifically concerning cracks on the inner flange of door frame 66 at the gusset attachment hole of stringers P18 and P20. The directive requires compliance with DGAC AD 1996-234-087(B) R1 and references specific Airbus service bulletins for repair solutions. The AD was issued on 15 November 2002 and became effective on 26 December 2002, with notification in the Commonwealth of Australia Gazette on 4 December 2002.

Key Provisions

The Civil Aviation Regulations 1998, specifically Part 39, Subpart 105, details the Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) in relation to Airbus Industrie A319, A320, and A321 Series Aeroplanes. This particular AD, AD/A320/74 Amendment 1, pertains to the gusset frame attachment (Section 13/2002). It applies to all Model A320-111, -211, and -231 aircraft that do not have Airbus Modification 21778 incorporated in production or Airbus Service Bulletin A320-53-1072 incorporated in-service. The requirement section of this directive mandates that action be taken in accordance with the DGAC AD 1996-234-087(B) R1, which includes repair solutions specified in Airbus Service Bulletin A320-53-1071 Revision 1, addressing cracks found on the inner flange of door frame 66 at the hole of the gusset attachment of stringers P18 and P20. Compliance with these requirements must be carried out in accordance with the instructions provided in the directive and must be completed by the date specified in the compliance section. The obligations imposed on the parties governed by this AD include ensuring that the specified action is taken on the applicable aircraft to rectify the identified unsafe condition. This involves conducting a thorough inspection of the gusset frame attachment as per the requirements outlined in DGAC AD 1996-234-087(B) R1 and applying the repair solutions specified in Airbus Service Bulletin A320-53-1071 Revision 1. The responsible parties must ensure that these actions are documented and completed within the timeframe stipulated by the directive. Failure to comply with these obligations may result in the aircraft not meeting the required airworthiness standards, potentially leading to operational restrictions or grounding of the aircraft until the required actions are taken. Failure to comply with the provisions of this AD may result in significant legal and operational consequences. Under the Civil Aviation Regulations 1998, non-compliance with an Airworthiness Directive can lead to the aircraft being deemed unairworthy, which may result in the suspension or revocation of the aircraft's certificate of airworthiness. Additionally, operators who fail to comply with ADs may face civil penalties, including fines, as well as criminal penalties, such as imprisonment for individuals found to be in breach of the regulations. The exact penalties are not specified in the AD itself but are governed by the broader regulatory framework under which the AD is issued.

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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.