COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Pratt and Whitney Turbine Engines - JT8D Series
AD/JT8D/15 Third Stage Turbine Rivets 2/79
Applicability: JT8D-1, -1A, -1B, -7, -7A, -7B, -9 and -9A engine models not fitted with third stage turbine blade retention rivets drive P/N 759351 or P/N 618749.
Document: 1. FAA AD 78-23-12 : Amendment 39-3315; and
2. PWS SB No. 4592, Rev. 1; or 3. AD/PW-T/50.
Compliance: As detailed in Requirement Document No. 1.
Overview
The Civil Aviation Regulations 1998, enacted by the Australian Parliament, aim to ensure the safety and efficiency of civil aviation. Specifically, Part 39 - 106 addresses Airworthiness Directives (ADs) that are essential to maintaining the safety standards of aircraft components. AD/JT8D/15 pertains to Pratt and Whitney Turbine Engines of the JT8D series, focusing on the third stage turbine rivets for certain engine models. This legislation was introduced to address safety concerns related to the specified engine models, ensuring that the rivets used do not compromise the structural integrity of the turbine. The policy objective is to mandate compliance with detailed requirements to prevent potential failures that could lead to catastrophic outcomes, thereby safeguarding both the passengers and crew on board, as well as the integrity of the aviation system.
Scope and Application
The Civil Aviation Regulations 1998, specifically Part 39 - 106, apply to Pratt and Whitney JT8D series turbine engines, detailing the Airworthiness Directives (AD) concerning the third stage turbine rivets. This regulation is pertinent to the JT8D-1, -1A, -1B, -7, -7A, -7B, -9, and -9A engine models, excluding those fitted with third stage turbine blade retention rivets drive P/N 759351 or P/N 618749. The directive mandates compliance with FAA AD 78-23-12, as amended by Amendment 39-3315, or Pratt and Whitney Service Bulletin No. 4592, Rev. 1, or AD/PW-T/50. The geographic and jurisdictional reach of these regulations is national, enforced by the Civil Aviation Safety Authority (CASA) across Australia. The regulation does not specify exclusions or exemptions but mandates adherence to the stipulated compliance requirements, with potential extensions or restrictions through subordinate instruments as necessary.
Key Provisions
The Civil Aviation Regulations 1998, specifically Part 39 - 106, outlines the Civil Aviation Safety Authority's (CASA) Schedule of Airworthiness Directives, including the Pratt and Whitney Turbine Engines - JT8D Series AD/JT8D/15 Third Stage Turbine Rivets (2/79). This directive applies to JT8D-1, -1A, -1B, -7, -7A, -7B, -9, and -9A engine models that are not equipped with third stage turbine blade retention rivets drive P/N 759351 or P/N 618749 (sections 1 and 2). The directive references FAA AD 78-23-12: Amendment 39-3315; PWS SB No. 4592, Rev. 1; and AD/PW-T/50 as the compliance documents (section 3). These compliance documents detail the necessary actions and specifications required to meet the directive's stipulations.
Entities governed by this directive must ensure that the applicable JT8D series engines are inspected, repaired, or replaced as per the detailed requirements set out in the referenced documents. This includes verifying that the engines are not fitted with the specified rivets and that all necessary modifications or replacements are completed following the guidance provided in FAA AD 78-23-12, PWS SB No. 4592, and AD/PW-T/50. Failure to comply with these directives can lead to serious safety issues, as the integrity of the turbine blades can be compromised, potentially resulting in engine failure during flight.
The Civil Aviation Regulations impose strict obligations on aircraft operators and maintenance organisations to adhere to these airworthiness directives. Operators must ensure that their engines comply with the specified requirements and that all necessary actions are taken promptly. Maintenance organisations must be knowledgeable about the directive and perform the required inspections, repairs, or replacements accurately and in accordance with the guidance documents. Non-compliance with these obligations can have serious safety implications and could result in penalties or enforcement actions by CASA.
Failure to comply with the airworthiness directives may result in civil and criminal consequences. Civil penalties can include fines, and in severe cases, CASA may suspend or revoke an operator's or maintenance organisation's certificate. Criminal penalties may also apply, particularly if non-compliance results in an aviation accident or incident. The maximum penalties for non-compliance can vary depending on the severity of the breach and the impact on aviation safety. It is essential for all parties governed by this directive to take the necessary steps to ensure compliance and maintain the highest safety standards.