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 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.
Allied Signal (Lycoming) Turbine Engines - ALF502 and LF507 Series
AD/ALF/18 Turbine Component Life Limits 9/2002
Applicability: Honeywell ALF502 and LF507 Series engines identified in the requirement document.
Requirement: Remove from service, First Rotor Sealing Plates, First Turbine Rotor Disc and Turbine Spacer per the requirements of FAA AD 2002-12-08.
Note: FAA AD 2002-12-08, Amdt 39-12780 refers.
Compliance: As detailed in the requirement document with a revised effective date of 5 September 2002.
This Airworthiness Directive becomes effective on 5 September 2002.
Background: On-going analysis of field returned hardware has indicated that the low cycle fatigue limits of the turbine hardware are lower than that estimated initially. Hence a lower life limit and a draw down schedule are mandated per this Directive for some turbine hardware.
Eugene Paul Holzapfel
Delegate of the Civil Aviation Safety Authority 29 July 2002
The above AD is notified in the Commonwealth of Australia Gazette on 14 August 2002.
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Overview
The Civil Aviation Regulations 1998 (CAR 1998) were enacted to regulate and ensure the safety and efficiency of civil aviation in Australia. The CAR 1998 is a comprehensive set of regulations that govern various aspects of civil aviation, including airworthiness, licensing, and operational standards. The regulations were introduced to address the need for a unified and effective regulatory framework that would ensure the safety of passengers, crew, and the general public, as well as maintain the integrity of the Australian civil aviation system. The CAR 1998 is administered by the Civil Aviation Safety Authority (CASA), a statutory body responsible for regulating civil aviation safety and enforcing compliance with the regulations. The policy objective of the CAR 1998 is to provide a robust and adaptable regulatory framework that promotes the highest standards of safety and efficiency in civil aviation while facilitating the growth and development of the industry.
One specific example of an Airworthiness Directive issued under the CAR 1998 is the AD/ALF/18, which pertains to the Allied Signal (Lycoming) Turbine Engines - ALF502 and LF507 Series. This directive was issued on 9 September 2002 and became effective on the same date. The AD/ALF/18 was introduced to address the issue of low cycle fatigue limits in certain turbine hardware components, which had been identified as lower than initially estimated. As a result, the directive mandated lower life limits and a draw down schedule for specific turbine components, as outlined in the requirement section of the directive. The AD/ALF/18 was issued by the delegate of the Civil Aviation Safety Authority, Eugene Paul Holzapfel, on 29 July 2002, and was subsequently notified in the Commonwealth of Australia Gazette on 14 August 2002.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 106, pertains to the issuing of Airworthiness Directives (ADs) by the Civil Aviation Safety Authority (CASA) under the Commonwealth of Australia. The regulation applies to any aircraft or aeronautical products that fall under the purview of the CASA, and in this instance, it directly concerns the Allied Signal (Lycoming) Turbine Engines, namely the ALF502 and LF507 Series. This AD applies to any such engines identified in the requirement document, mandating specific actions to address the identified safety issue. The geographic reach of this AD is national, applying across the Commonwealth of Australia. The AD specifies that certain turbine components must be removed from service and replaced according to the instructions outlined, with compliance required by a specified date. Notably, the AD does not exclude any particular entities or transactions from its scope, meaning all operators of the affected engines within Australia must adhere to its directives. The AD may also be extended or restricted through subordinate instruments as deemed necessary by the CASA delegate.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39, includes the Airworthiness Directive (AD) for the Allied Signal (Lycoming) Turbine Engines, namely the ALF502 and LF507 Series, identified as AD/ALF/18. This directive, issued under subregulation 39.1(1), mandates actions to address an identified unsafe condition with the turbine components of these engines. The directive specifies that certain components, such as the First Rotor Sealing Plates, First Turbine Rotor Disc, and Turbine Spacer, must be removed from service in accordance with the requirements of FAA AD 2002-12-08. This action is necessary due to the finding that the low cycle fatigue limits of these turbine components are lower than initially estimated, necessitating a revised life limit and a drawdown schedule to ensure continued airworthiness.
Entities governed by this AD, which include aircraft operators and maintenance providers, are required to follow the specified actions and comply within the timeframe provided. Specifically, these entities must remove and replace the identified turbine components as per the detailed instructions in FAA AD 2002-12-08, Amendment 39-12780, with the compliance deadline set for 5 September 2002. The AD became effective on the same date, thereby imposing an immediate obligation on the governed parties to adhere to these requirements to maintain the safety standards mandated by the Civil Aviation Safety Authority (CASA).
Failure to comply with this AD could result in significant consequences, both civil and criminal. The primary concern is the potential for unsafe operation of the aircraft, which could lead to catastrophic failures during flight. From a regulatory perspective, non-compliance could result in enforcement actions by CASA, including fines, suspension, or revocation of airworthiness certificates. Additionally, if the non-compliance leads to an accident or incident, the responsible parties could face criminal charges, which could include substantial penalties and imprisonment, reflecting the seriousness of neglecting safety directives in aviation.