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Elements and Performance Criteria

1. Prepare to dismantle, inspect, maintain and assemble aircraft gas turbine engine components or parts.
   • Remove and/or disassemble components in accordance with enterprise procedures, relevant maintenance documentation and qualified person guidance.
   • Maintenance and/or repair requirements as defined by the qualified person, enterprise procedures and the relevant maintenance documentation are understood.
   • Tagging and repair instructions are accurately specified in accordance with enterprise procedures and qualified person directions for parts requiring specialist repair.
   • 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.
   • 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.
   • Component parts are assembled within specified tolerances and in accordance with enterprise procedures and the appropriate maintenance documents.
   • Where applicable and as required by the qualified person, assist in the final adjustment and testing of components to confirm serviceability.
3. Complete maintenance repair or modification activities.
   • Required documentation is completed and processed in accordance with standard enterprise procedures.
   • Maintained/repaired or modified components are tagged, sealed and packaged within specified procedures.

Required Skills

Required skills

Look for evidence that confirms skills in application of relevant OHampS procedures the use of relevant maintenance documentation specifications and aircraftcomponent manuals to recognise state of serviceability and standardroutine maintenance and repair requirements for the range of engine components listed in the Range Statement identify requirements under the guidance of a qualified person and complete repairs andor modifications Correctly tag seal and package completed components

Required knowledge

Look for evidence that confirms knowledge of component operation at a basic level standardroutine repair procedures and processes

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to dismantle inspect maintain and assemble aircraft gas turbine engine components or parts under qualified person guidance while observing all relevant safety precautions
Critical aspects for assessment and evidence required to demonstrate competency in this unit	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 Evidence of transferability of skills and knowledge related to enterprise procedures for maintenance and repair is essential This may be demonstrated through application across a number of different engine components 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 A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements of the Unit of Competency are being achieved under qualified person guidance on a representative range of components or parts listed in the Range Statement This shall be established via the records in the Log of Industrial Experience and Achievement or where appropriate an equivalent Industry
Context of and specific resources for assessment	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 general and special purpose tools found in most routine situations would be used where appropriate
Method of assessment
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Routine work	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	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	Maintain basic components such as oil coolers, fuel nozzles, flex drive shafts, fuel manifolds and engine bearings. Also, engine change unit hoses, pipes and ducts, and like components fitted to modular assemblies and sub-assemblies
Repair or modify	Repair or modify 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 MEA109B .
Maintain	Maintain involves 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.
	Work can relate to: routine scheduled or unscheduled maintenance activities performed under qualified person guidance in accordance with enterprise procedures tasks performed either autonomously or as part of a team and under the guidance of a qualified person
Procedures and requirements	Refer to procedures specified by manufacturers, regulatory authorities or the enterprise

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