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 issues the following Airworthiness Directive (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.
British Aerospace BAe 146 Series Aeroplanes
AD/BAe 146/93 Main Landing Gear Side Stay Inner Link Safe
Life
10/2001
Applicability: BAe 146 Series 100 and 200 aircraft, equipped with main landing gear side stays 200884 Series as listed in Messier Dowty Service Bulletin 146-32-153.
Requirement: Action in accordance with BAE Systems Service Bulletin 32-166.
Note: UK CAA AD 005-05-2001 refers.
Compliance: As specified in the Requirement document.
This Airworthiness Directive becomes effective on 4 October 2001.
Background: The UK CAA requires compliance because the side stay inner links listed in the referenced Messier Dowty service bulletin have incorrect safe lives quoted in the Aircraft Maintenance Manual at Issue 73.
David Alan Villiers
Delegate of the Civil Aviation Safety Authority 20 August 2001
The above AD is notified in the Commonwealth of Australia Gazette on 12 September 2001.
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Overview
The Civil Aviation Regulations 1998, specifically Part 39, were enacted to ensure the safety and efficiency of civil aviation within Australia. One of the instruments under this act is the Airworthiness Directive issued by the Civil Aviation Safety Authority (CASA) to address specific safety concerns with aircraft. In 2001, an Airworthiness Directive (AD/BAe 146/93) was issued to correct an unsafe condition identified in British Aerospace BAe 146 Series 100 and 200 aircraft equipped with main landing gear side stays. The directive mandates corrective action in line with BAE Systems Service Bulletin 32-166, following the identification of incorrect safe lives for certain components in the Aircraft Maintenance Manual. The policy objective of this directive is to mitigate safety risks associated with the identified defect, thereby ensuring compliance with safety standards set forth by the UK Civil Aviation Authority (CAA).
Scope and Application
The Airworthiness Directive (AD) issued under the Civil Aviation Regulations 1998 pertains specifically to BAe 146 Series 100 and 200 aircraft that are equipped with main landing gear side stays as listed in Messier Dowty Service Bulletin 146-32-153. This AD applies to all aircraft falling within the specified series and equipment criteria, ensuring that these aircraft meet certain safety standards mandated by the Civil Aviation Safety Authority (CASA). The directive is necessitated by an identified issue where the safe life of the side stay inner links was incorrectly quoted in the Aircraft Maintenance Manual at Issue 73, as highlighted by the UK Civil Aviation Authority (CAA). The AD requires adherence to BAE Systems Service Bulletin 32-166, which provides the necessary corrective actions. Compliance with the AD must be achieved in accordance with the instructions set out in the requirement section and is to be completed by the date specified in the compliance section, in this case as detailed in the requirement document. This directive, issued by a CASA delegate, is effective as of 4 October 2001, and its details were notified in the Commonwealth of Australia Gazette on 12 September 2001.
Key Provisions
The Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) under section 39.1(1) of the Civil Aviation Regulations 1998 targets specific models of British Aerospace BAe 146 Series aircraft, namely the 100 and 200 series. This directive mandates corrective action concerning the main landing gear side stay inner link safe life, referencing the requirement set out in BAE Systems Service Bulletin 32-166. The action specified is to address the issue of incorrect safe life periods listed for certain components in the Aircraft Maintenance Manual at Issue 73. The directive is applicable to aircraft equipped with main landing gear side stays as detailed in Messier Dowty Service Bulletin 146-32-153.
Entities governed by this AD, primarily aircraft operators and maintenance service providers, must comply with the instructions provided in the BAE Systems Service Bulletin 32-166. This includes ensuring that the identified components are inspected and, if necessary, replaced or repaired to correct the discrepancies in the safe life periods. The directive mandates that this action be completed at the specified time, as outlined in the compliance section, which refers to the timing set forth in the requirement document. Failure to adhere to these directives can lead to significant safety risks, as the incorrect safe life periods could compromise the integrity and reliability of the aircraft's landing gear system.
The AD imposes clear obligations on the affected parties to take immediate action as per the specified bulletin. This includes the need for operators to conduct thorough checks of the relevant components and implement any required maintenance or repairs. The directive also references the UK Civil Aviation Authority (CAA) AD 005-05-2001, which further underscores the importance of this corrective action. Non-compliance with these requirements can result in severe consequences, including potential grounding of the aircraft, fines, and other penalties imposed by CASA. The AD became effective on 4 October 2001, and any breaches after this date could be subject to scrutiny and enforcement actions by regulatory authorities.