Overview

The Civil Aviation Safety Regulations 1998 (CASR 1998) were enacted to provide for the regulation of civil aviation safety in Australia. These regulations were introduced by the Parliament of Australia to address the need for a comprehensive and consistent framework governing the safety of civil aviation. The policy objective of the CASR 1998 is to ensure that civil aviation activities in Australia meet internationally recognised safety standards, thereby protecting the public and promoting the safe, efficient, and orderly development of civil aviation. In this context, the CASR 1998 establish the Civil Aviation Safety Authority (CASA) as the regulator responsible for overseeing the safety of civil aviation in Australia, including the issuance of airworthiness directives to address specific safety concerns. One such airworthiness directive is AD/B767/194, which was issued on 26 May 2004 and became effective on 8 July 2004. This directive applies to Boeing 767-300 series aircraft with specific line numbers and requires action to be taken to prevent interference of the A1 galley with the radial stiffener on the aft pressure bulkhead. The directive mandates compliance within 18 months of its effective date and references the technical requirements of FAA AD 2004-08-07 Amdt39-13576. This action is necessary to prevent fatigue crack propagation, which could lead to rapid decompression of the aircraft or damage and/or interference with the aircraft control systems, potentially resulting in loss of control of the aircraft.

Scope and Application

The Civil Aviation Safety Regulations 1998, specifically Part 39 - 105, concerns Airworthiness Directives issued by the Civil Aviation Safety Authority (CASA). These directives are binding on the entities and individuals involved in the operation of specific aircraft, ensuring compliance with safety standards. This particular AD/B767/194 pertains to Boeing 767 Series Aeroplanes, specifically models 767-300 with line numbers 754, 761, 767, 775, and 776. It mandates corrective actions to address the potential unsafe condition of the aft pressure bulkhead radial stiffener, as detailed in FAA AD 2004-08-07 Amdt39-13576, to prevent issues such as fatigue crack propagation, which could result in catastrophic outcomes including rapid decompression and loss of aircraft control. The directive requires compliance within 18 months from 8 July 2004, and it became effective on that date. The AD was issued by David Villiers, a delegate of CASA, and was subsequently notified in the Commonwealth of Australia Gazette on 16 June 2004.

Key Provisions

The Civil Aviation Safety Regulations 1998, specifically Part 39 - 105, establishes the Civil Aviation Safety Authority’s (CASA) Schedule of Airworthiness Directives. This directive, identified as AD/B767/194, mandates certain actions to be taken on Boeing 767-300 series aircraft, particularly those with line numbers 754, 761, 767, 775, and 776, to address an identified safety concern. The directive, signed by a CASA delegate, David Villiers, on 26 May 2004, and published in the Commonwealth of Australia Gazette on 16 June 2004, is effective from 8 July 2004 and requires compliance within 18 months from that date. The Airworthiness Directive requires the specified Boeing 767-300 series aircraft to undertake corrective actions as outlined in the Federal Aviation Administration's (FAA) AD 2004-08-07 Amendment 39-13576. The action involves addressing the potential interference of the A1 galley with the radial stiffener on the aft pressure bulkhead, which could result in fatigue crack propagation. Such propagation may lead to rapid decompression or damage to the aircraft control systems, potentially causing loss of control. The directive references Boeing Service Bulletins 767-53A0102 original issue and Revision 1 for technical guidance on the required actions. Entities governed by this directive, including aircraft operators and maintenance service providers, must ensure that the specified corrective actions are carried out on the identified Boeing 767-300 series aircraft within the stipulated 18-month compliance period. This includes following the technical instructions provided in the FAA AD and Boeing Service Bulletins to prevent the unsafe condition that the directive addresses. Failure to comply with these requirements may result in severe safety risks and potential legal consequences. Breach of the requirements set out in this Airworthiness Directive may result in serious safety implications, including aircraft accidents or loss of control. While the specific legal and regulatory consequences for non-compliance with this directive are not detailed in the provided text, it is likely that such non-compliance could lead to civil or criminal penalties under Australian aviation law. The exact penalties may vary but could include fines, suspension of airworthiness certificates, or other regulatory actions deemed necessary by CASA to enforce compliance and ensure aviation safety.