COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety 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/JETSTREAM/72 Amdt 1 and issues the following AD under subregulation 39.1 (1) of CASR 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 3100 (Jetstream) Series Aeroplanes
AD/JETSTREAM/72
Amdt 2
Wing Lower Skin at Inboard End of Auxiliary Spar Boom
2/2004
Applicability: All Jetstream Series 3200 aircraft.
Requirement: Inspect in accordance with BAE Systems Mandatory Service Bulletin 57-JA 021140 Revision 1.
Compliance: As specified in the Requirement document.
This Amendment becomes effective on 19 February 2004.
Background: Cracks have been detected during fatigue testing. This Directive requires inspections to detect cracks before they grow to a critical length.
Amendment 1 introduced repeat inspections of the wing lower skin at the inboard end of the auxiliary spar boom and the main landing gear cut-out doubler between wing stations 64 and 70, left and right.
Amendment 2 is issued in response to a revision of the Requirement document, which details panel and shroud removal; omitted at the original issue of the Requirement document.
David Villiers
Delegate of the Civil Aviation Safety Authority 8 January 2004
The above AD is notified in the Commonwealth of Australia Gazette on 28 January 2004.
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Overview
The Civil Aviation Safety Regulations 1998 (CASR) were enacted to ensure the safety of civil aviation in Australia. The CASR provide a legal framework for the regulation of civil aviation safety, addressing gaps in safety oversight by establishing requirements and standards that must be met by operators, manufacturers, and other entities involved in civil aviation. The Civil Aviation Safety Authority (CASA) is the enforcing body, with a policy objective of maintaining the highest possible level of safety in civil aviation through proactive regulation, oversight, and enforcement. One such regulatory instrument is the Airworthiness Directive (AD) AD/JETSTREAM/72 Amdt 2, which was issued to address the issue of detected cracks in the wing lower skin at the inboard end of the auxiliary spar boom in Jetstream Series 3200 aircraft. This AD mandates inspections in accordance with specified procedures to detect and prevent the growth of such cracks, thereby ensuring the continued airworthiness of the affected aircraft.
The AD/JETSTREAM/72 Amdt 2, issued under subregulation 39.1 (1) of the CASR, became effective on 19 February 2004. This amendment responds to a revision of the requirement document, detailing the procedures for panel and shroud removal, which were omitted in the original AD. This amendment underscores the importance of continuous review and updating of safety directives to maintain the highest standards of aviation safety. The directive is enforced by the delegate of CASA, who ensures compliance with the specified inspection protocols to mitigate the risk of structural failure due to undetected cracks.
Scope and Application
This Airworthiness Directive (AD) issued under the Civil Aviation Safety Regulations 1998 applies specifically to all Jetstream Series 3200 aircraft. The directive mandates inspections to be conducted in accordance with BAE Systems Mandatory Service Bulletin 57-JA 021140 Revision 1, which addresses the detection of cracks in the wing lower skin at the inboard end of the auxiliary spar boom. The directive, issued by the delegate of the Civil Aviation Safety Authority, is effective from 19 February 2004 and was subsequently notified in the Commonwealth of Australia Gazette on 28 January 2004. The AD aims to ensure that the specified inspections are carried out to prevent the growth of cracks to a critical length, thereby maintaining the airworthiness of the aircraft. The directive does not specify exclusions or exemptions but requires strict adherence to the instructions outlined in the Requirement document for compliance.
Key Provisions
The Civil Aviation Safety Regulations 1998 (CASR), particularly Part 39, section 105, detail the requirements for airworthiness directives (AD) that the Civil Aviation Safety Authority (CASA) issues to ensure the safety of aircraft. Specifically, section 39.1(1) empowers the CASA delegate to revoke existing ADs and issue new ones when necessary. In this case, the CASA delegate has revoked AD/JETSTREAM/72 Amendment 1 and issued Amendment 2 under this section. This AD mandates that certain actions be taken on all Jetstream Series 3200 aircraft to address safety concerns identified through fatigue testing. The requirement is to inspect the wing lower skin at the inboard end of the auxiliary spar boom in accordance with BAE Systems Mandatory Service Bulletin 57-JA 021140 Revision 1, as detailed in the requirement section. The compliance section specifies that this inspection must be carried out as per the instructions provided in the requirement document, with the amendment becoming effective from 19 February 2004.
The obligations imposed by this AD on the parties governed by it, including aircraft operators and maintenance organisations, are clear and specific. They are required to ensure that the mandated inspections are conducted by qualified personnel following the detailed instructions provided in the BAE Systems Mandatory Service Bulletin 57-JA 021140 Revision 1. These inspections are crucial to detect any cracks before they reach a critical size, thereby preventing potential in-flight failures. Operators must maintain records of these inspections and any repairs carried out, ensuring that their aircraft remain compliant with airworthiness standards. Additionally, maintenance organisations must ensure that their personnel are trained and competent to perform these inspections correctly.
Failure to comply with the AD may result in serious consequences. Under the Civil Aviation Act 1988, non-compliance with an AD can lead to civil penalties, including fines and potential prosecution. The maximum penalty for contravening a requirement under CASR can be significant, reflecting the seriousness of failing to address safety directives. Additionally, if an aircraft is found to be non-compliant during a CASA inspection, it may be grounded until the required actions are completed, impacting the operator’s ability to conduct flights and potentially resulting in financial loss. It is imperative for all parties governed by this AD to adhere strictly to the requirements to avoid these severe consequences.