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Unit of competency details

MEA331 - Maintain aircraft gas turbine engine components or parts (Release 2)

Summary

Usage recommendation:
Superseded
Mapping:
MappingNotesDate
Supersedes and is equivalent to MEA331B - Dismantle, inspect, maintain and assemble aircraft gas turbine engine components or parts 11/Feb/2015
Is superseded by and equivalent to MEAMEC0028 - Maintain aircraft gas turbine engine components or component parts 21/Nov/2022

Releases:
ReleaseRelease date
2 (this release) 31/Aug/2018
(View details for release 1) 12/Feb/2015

Companion volumes:
Unit of competency Assessment requirements

Delivery:
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Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 031503 Aircraft Maintenance Engineering  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 031503 Aircraft Maintenance Engineering  14/May/2015 
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Unit of competency

Modification History

Release 2. Equivalent to MEA331 Maintain aircraft gas turbine engine components or parts with amended prerequisite codes.

Application

This unit of competency requires application of hand skills and use of maintenance documentation to dismantle, inspect, maintain and assemble aircraft gas turbine engine components or parts during scheduled or unscheduled maintenance under the guidance of a qualified person. Work under the guidance of a qualified person may be performed individually or as part of a team.

Applications include gas turbine engine components or parts in a workshop.

The unit is part of a Mechanical Certificate II training pathway.

The unit is used in workplaces that operate under the airworthiness regulatory systems of the Australian Defence Force (ADF) and the Civil Aviation safety Authority (CASA).

Pre-requisite Unit

MEA107

Interpret and use aviation maintenance industry manuals and specifications

MEA154

Apply work health and safety practices in aviation maintenance

MEA155

Plan and organise aviation maintenance work activities

MEA156

Apply quality standards during aviation maintenance activities

MEA157

Complete aviation maintenance industry documentation

MEA158

Perform basic hand skills, standard trade practices and fundamentals in aviation maintenance

Competency Field

Aviation maintenance

Unit Sector

Elements and Performance Criteria

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1.

Prepare to dismantle, inspect, maintain and assemble aircraft gas turbine engine components or parts

1.1

Components are removed and/or disassembled in accordance with enterprise procedures, relevant maintenance documentation and qualified person guidance while observing all relevant work health and safety (WHS) requirements, including the use of material safety data sheets (MSDS) and items of personal protective equipment (PPE)

1.2

Maintenance and/or repair requirements as defined by the qualified person, enterprise procedures and the relevant maintenance documentation are understood

1.3

Tagging and repair instructions are accurately specified in accordance with enterprise procedures and qualified person directions for parts requiring specialist repair

1.4

Appropriate materials, tools, equipment and assembly or fabrication jigs, where applicable, are selected and prepared for the particular maintenance and repair requirements in accordance with enterprise procedures and relevant maintenance documentation

2.

Dismantle, inspect, maintain and assemble aircraft gas turbine engine components or parts

2.1

Routine maintenance, repair or modification procedures are carried out, as approved by relevant manufacturers’ bulletins or procedures, in accordance with required enterprise procedures and specifications while observing all relevant WHS requirements, including the use of MSDS and items of PPE

2.2

Component parts are assembled within specified tolerances and in accordance with enterprise procedures and the appropriate maintenance documents

2.3

Where applicable and as required by the qualified person, assistance is provided in the final adjustment and testing of components to confirm serviceability

3.

Complete maintenance repair or modification activities

3.1

Required documentation is completed and processed in accordance with standard enterprise procedures

3.2

Maintained/repaired or modified components are tagged, sealed and packaged within specified procedures

Foundation Skills

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.

Range of Conditions

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Routine work: 
  • Is carried out using basic operational knowledge and a defined range of skills (‘routine’ work is that which follows a customary or regular course of procedure).

Work outcomes: 
  • Are achieved by applying known solutions chosen from a limited range of pre-determined options consistent with enterprise procedures. This includes accepting responsibility for own work in terms of quality of outcomes using pre-determined specifications of quality.

Components to be maintained include: 
  • Basic components, such as oil coolers, fuel nozzles, flex drive shafts, fuel manifolds and engine bearings, engine change unit hoses, pipes and ducts, and like components fitted to modular assemblies and sub-assemblies

Components to be repaired or modified include:  
  • Compressor and turbine blades

Scope of work: 
  • Note that the scope of any repair or modification and the procedure to be followed will be provided by the qualified person, and be within the scope of the skills and knowledge included in the unit of competency MEA158 Perform basic hand skills, standard trade practices and fundamentals in aviation maintenance

Maintain includes: 
  • Removal and installation, cleaning, inspection for wear or damage and consequent replacement of parts, and routine adjustment and lubrication, where applicable, in accordance with enterprise procedures

Procedures and requirements include: 
  • Industry procedures specified by manufacturers, regulatory authorities or the enterprise

Unit Mapping Information

Release 2. Equivalent to MEA331 Maintain aircraft gas turbine engine components or parts.

Links

Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=ce216c9c-04d5-4b3b-9bcf-4e81d0950371

 

Assessment requirements

Modification History

Release 2. Equivalent to MEA331 Maintain aircraft gas turbine engine components or parts with amended prerequisite codes.

Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and must include:

  • applying relevant WHS practices, including the use of MSDS and PPE
  • using relevant maintenance documentation, specifications and aircraft/component manuals to:
  • recognise state of serviceability and standard/routine maintenance and repair requirements for the range of engine components listed in the Range of Conditions
  • identify requirements under the guidance of a qualified person and complete repairs and/or modifications
  • correctly tagging, sealing and packaging completed components.

The underlying skills inherent in this unit should be transferable across a range of maintenance and repair applications associated with engine components. It is essential that the relevant enterprise procedures are interpreted and applied to ensure quality and safety standards are achieved.

This shall be demonstrated through application across a number of different aircraft components as listed in the Assessment Conditions.

Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

  • component operation at a basic level
  • standard/routine repair procedures and processes
  • relevant WHS practices
  • how to obtain MSDS
  • use of PPE.

Assessment Conditions

  • Competency should be assessed in the work environment or simulated work environment, using tools and equipment specified in maintenance documentation. It is also expected that applicable general and special-purpose tools found in most routine situations would be used where appropriate.
  • Ability to assess component serviceability under qualified person guidance and interpret parts requirements will be necessary before undertaking any action. The work plan should take account of applicable safety and quality requirements in accordance with the industry and regulatory standards.
  • The following conditions of assessment represent the requirements of the Regulators (ADF and CASA) and maintenance stakeholders and must be rigorously observed.
  • A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements and performance criteria of the unit of competency are being achieved under qualified person guidance on a representative range of components or parts, as follows:
  • maintain basic components such as oil coolers, fuel nozzles, flex drive shafts, fuel manifolds and engine bearings, engine change unit hoses, pipes and ducts, and like components fitted to modular assemblies and sub-assemblies
  • repair or modify compressor and turbine blades.
  • This shall be established via the records in the Log of Industrial Experience and Achievement or, where appropriate, an equivalent Industry Evidence Guide (for details refer to the Companion Volume Assessment Guidelines).
  • Assessors must satisfy the requirements of the National Vocational Education and Training Regulator (Australian Skills Quality Authority, or its successors).

Links

Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=ce216c9c-04d5-4b3b-9bcf-4e81d0950371

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