COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 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/ARRIUS/2 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.
Turbomeca Turbine Engines - Arrius Series
AD/ARRIUS/2
Amdt 1
Fuel Injection Manifold Replacement 1/2003
Applicability: Arrius 2B and 2B1 engines
Requirement: Replace the fuel manifolds in accordance with Turbomeca Alert Service Bulletin A319 73 2012 Update 5.
Note: DGAC AD 1999-217(A) refers.
Compliance: Unless previously accomplished, in accordance with the requirement document, except where a power check, conducted according to the aircraft flight manual, shows a negative TOT margin, in which case, the fuel manifold must be replaced before further flight.
This Amendment becomes effective on 23 January 2003.
Background: This Amendment is in response to the manufacturer releasing updated information.
This Directive was issued to require the initial replacement of fuel injection manifolds and subsequent replacement of fuel injection manifolds found to be defective at the 200 hourly power checks. The requirement reflects advice of blockage of the manifolds may lead to engine flameout during rapid deceleration.
The original issue of this Airworthiness Directive became effective on 2 December 1999.
James Coyne
Delegate of the Civil Aviation Safety Authority 27 November 2002
The above AD is notified in the Commonwealth of Australia Gazette on 18 December 2002.
Overview
The Civil Aviation Regulations 1998, enacted by the Parliament of Australia, form a comprehensive legal framework governing civil aviation safety in the country. The regulations were designed to address the need for stringent safety standards and procedures in the operation and maintenance of aircraft, ensuring the highest levels of safety for passengers, crew, and the general public. The legislation aims to mitigate risks associated with aviation operations by prescribing detailed requirements and standards that must be adhered to by all stakeholders in the aviation industry. Within this legislative framework, Airworthiness Directives (ADs) are issued by the Civil Aviation Safety Authority (CASA) to address specific safety concerns identified in aircraft or aeronautical products. These directives mandate corrective actions to be taken to ensure continued airworthiness and safety, reflecting the policy objective of maintaining and enhancing aviation safety standards in response to emerging risks and technological advancements.
Scope and Application
This Airworthiness Directive (AD) issued under the Civil Aviation Regulations 1998, Part 39 - 106, applies specifically to Arrius 2B and 2B1 engines, which are critical components in certain aircraft. The AD mandates the replacement of fuel injection manifolds in these engines, as outlined in Turbomeca Alert Service Bulletin A319 73 2012 Update 5, to address safety concerns related to potential engine flameout during rapid deceleration due to manifold blockage. The requirement for compliance is contingent on conducting a power check in accordance with the aircraft flight manual, with exceptions for engines that show a negative TOT margin. This AD is issued by a delegate of the Civil Aviation Safety Authority (CASA) and is applicable across the Commonwealth of Australia. Notably, the AD becomes effective on 23 January 2003, and any previous directives, such as AD/ARRIUS/2, are revoked upon its issuance. The directive also references DGAC AD 1999-217(A) for consistency and acknowledges the importance of adhering to updated manufacturer information to ensure aviation safety standards are met.
Key Provisions
The Civil Aviation Regulations 1998, Part 39 - 106, under the authority of the Civil Aviation Safety Authority (CASA), has introduced a specific Airworthiness Directive (AD) to address safety concerns related to Arrius 2B and 2B1 turbomeca turbine engines (section 1). This AD, which amends the previous directive AD/ARRIUS/2, requires the replacement of fuel injection manifolds in these engines (section 1). The directive mandates that these replacements be carried out in accordance with Turbomeca Alert Service Bulletin A319 73 2012 Update 5, and references DGAC AD 1999-217(A) for additional guidance (section 1).
The AD imposes specific obligations on the parties or entities it governs, such as aircraft operators and maintenance organisations. These entities must ensure that the fuel manifolds in Arrius 2B and 2B1 engines are replaced in compliance with the directive (section 1). The replacement must adhere to the instructions outlined in Turbomeca Alert Service Bulletin A319 73 2012 Update 5 and must be completed unless a power check, as per the aircraft flight manual, indicates a negative TOT (Time Over Temperature) margin, in which case the replacement must occur before further flight (section 1). This directive aims to mitigate the risk of engine flameout during rapid deceleration, which could be caused by blockage in the fuel manifolds (section 1).
Failure to comply with the AD can result in civil and criminal consequences. Although specific penalties are not stated in the text, non-compliance with CASA directives generally carries significant risks, including potential fines, suspension or revocation of aircraft operating certificates, and criminal charges against individuals responsible for the non-compliance. The severity of these consequences underscores the importance of adhering to the AD to ensure the continued airworthiness and safety of the affected aircraft (section 1). The directive became effective on 23 January 2003, following its notification in the Commonwealth of Australia Gazette on 18 December 2002 (section 1).