AD/T53/14 - Torque Meter Boost Pump - Replacement

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Legislation au F2006B07243 In force Legislative Instrument

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


AlliedSignal (Lycoming) Turbine Engines - T53 Series

 

AD/T53/14 Torque Meter Boost Pump - Replacement 1/86

Applicability: All T53 series engines.

 

Document: 1. Remove torque meter boost pump P/No. 1-300-221-01 or P/No. 1-300-221-02 and replace with P/No. 1-300-221.04; or

 

Note: Avco Lycoming SB No. 0031 pertains to this subject.

 

2. FAA AD 75-22-02, Amendment 39-2385; or

 

3. AD/LYC-T/15.

 

Compliance: Within 200 hours time in service after 31 December 1975.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overview

The Civil Aviation Regulations 1998, enacted by the Commonwealth of Australia, are a comprehensive set of rules governing all aspects of civil aviation in the country. Specifically, Part 39 of these regulations addresses airworthiness directives, with a particular focus on ensuring the safety and reliability of aircraft components and systems. One such directive, AD/T53/14, pertains to the replacement of the torque meter boost pump in AlliedSignal (Lycoming) T53 series turbine engines. This directive was introduced to address the problem of potential failures in the torque meter boost pump, which could compromise the engine's performance and overall safety. The objective of this directive is to mandate the replacement of specified torque meter boost pumps to ensure the continued airworthiness of T53 series engines, thus enhancing safety and reliability in civil aviation operations. The regulation is enforced by the Civil Aviation Safety Authority (CASA), reflecting the government's commitment to maintaining stringent safety standards in the aviation industry.

Scope and Application

The Civil Aviation Regulations 1998, specifically Part 39 - 106, pertains to airworthiness directives issued by the Civil Aviation Safety Authority. This particular regulation, AD/T53/14, concerns the replacement of the torque meter boost pump for all T53 series engines. The directive applies to any entity or individual that operates or maintains such engines, ensuring adherence to safety standards that are critical for aviation operations. The geographic reach of these regulations is national, affecting all aviation activities within the Commonwealth of Australia. The application does not exclude any specific entity or type of operation, provided that the engines fall within the specified series. The requirement to comply with this directive is non-negotiable, and it extends to all T53 series engines used in commercial, private, or military aviation within Australia, unless otherwise specified by subordinate instruments or international agreements. The directive also incorporates international standards, such as those referenced by the FAA, ensuring a cohesive approach to engine safety across jurisdictions.

Key Provisions

The Civil Aviation Regulations 1998, specifically PART 39 - 106, outline the Civil Aviation Safety Authority's schedule of airworthiness directives for various aircraft components and systems. Within this schedule, AlliedSignal (Lycoming) Turbine Engines - T53 Series AD/T53/14 focuses on the replacement of the torque meter boost pump. Section 1 of this directive mandates that all T53 series engines must have their torque meter boost pump, specifically P/No. 1-300-221-01 or P/No. 1-300-221-02, replaced with P/No. 1-300-221.04. This requirement is reinforced by references to Avco Lycoming Service Bulletin No. 0031, FAA AD 75-22-02, Amendment 39-2385, and AD/LYC-T/15, which provide additional context and technical details for the replacement process. The obligations imposed by this airworthiness directive are clear and specific. Owners and operators of aircraft equipped with T53 series engines must ensure that the mandated replacement of the torque meter boost pump is carried out. Compliance with this directive is crucial for maintaining the airworthiness of the aircraft. The directive specifies a timeframe for compliance, requiring the replacement to be completed within 200 hours of time in service after 31 December 1975. This timeframe provides a window during which the necessary maintenance must be performed to ensure that the engines continue to meet safety standards. Failure to comply with the requirements of this airworthiness directive can lead to significant consequences. The Civil Aviation Regulations 1998 do not explicitly detail penalties for non-compliance in this specific directive; however, general provisions within the regulations impose penalties for failure to comply with airworthiness directives. These penalties can include fines, imprisonment, or both, depending on the severity of the non-compliance. The exact penalties are determined by the courts and can vary based on the specific circumstances of each case. Furthermore, non-compliance can also result in the grounding of the aircraft until the required maintenance is performed, which can have substantial operational and financial repercussions for the operators. In summary, the airworthiness directive under discussion mandates the replacement of specific components within T53 series engines to ensure continued safe operation. Operators must adhere to this directive by replacing the specified torque meter boost pump within the stipulated timeframe. Failure to comply with this directive can result in penalties under the Civil Aviation Regulations 1998, which may include fines, imprisonment, and operational disruptions. Ensuring compliance is essential for maintaining the safety and airworthiness of the aircraft involved.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.