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Evidence Guide: MEA384A - Repair and/or overhaul gas turbine engine combustion section components and/or modules

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

MEA384A - Repair and/or overhaul gas turbine engine combustion section components and/or modules

What evidence can you provide to prove your understanding of each of the following citeria?

Determine requirements

  1. Component defect reports (removal tags) or customer order are correctly interpreted and matched by part and serial numbers
  2. Combustion section components are inspected and/or operated through prescribed test procedures to establish serviceability and confirm defects, if necessary
  3. Modification status is clearly established to assist in determining the overhaul requirements for the components
  4. Extent of overhaul or repair is identified and documented in accordance with standard enterprise procedures
Component defect reports (removal tags) or customer order are correctly interpreted and matched by part and serial numbers

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Combustion section components are inspected and/or operated through prescribed test procedures to establish serviceability and confirm defects, if necessary

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Modification status is clearly established to assist in determining the overhaul requirements for the components

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Extent of overhaul or repair is identified and documented in accordance with standard enterprise procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Troubleshoot combustion section components

  1. Available information from maintenance records and test results is used, where necessary, to assist in fault determination
  2. Logical processes are used to ensure efficient and accurate troubleshooting
  3. Specialist advice is obtained, where required, to assist with, or confirm, the fault and rectification requirement
  4. Combustion section component faults are located and the causes of the faults are clearly identified
  5. Fault rectification requirements are determined to assist in planning the repair
Available information from maintenance records and test results is used, where necessary, to assist in fault determination

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Logical processes are used to ensure efficient and accurate troubleshooting

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Specialist advice is obtained, where required, to assist with, or confirm, the fault and rectification requirement

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Combustion section component faults are located and the causes of the faults are clearly identified

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Fault rectification requirements are determined to assist in planning the repair

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Dismantle and inspect combustion section component parts

  1. Combustion section component parts are dismantled in accordance with maintenance manual
  2. Component parts are assessed for serviceability in accordance with the relevant maintenance documentation
  3. Parts requiring specialist repair are tagged and repair instructions are specified in accordance with standard enterprise procedures
  4. Parts requiring non-destructive testing are prepared for testing in accordance with the relevant maintenance documentation
  5. Parts lists are compiled and processed in accordance with standard enterprise procedures
Combustion section component parts are dismantled in accordance with maintenance manual

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Component parts are assessed for serviceability in accordance with the relevant maintenance documentation

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Parts requiring specialist repair are tagged and repair instructions are specified in accordance with standard enterprise procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Parts requiring non-destructive testing are prepared for testing in accordance with the relevant maintenance documentation

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Parts lists are compiled and processed in accordance with standard enterprise procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Repair and/or modify combustion section components or parts

  1. Component parts are repaired or replaced in accordance with the relevant maintenance documentation
  2. Modification of components is undertaken, where required, by reference to relevant manufacturers' bulletins or procedures and/or customer requirements
Component parts are repaired or replaced in accordance with the relevant maintenance documentation

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Modification of components is undertaken, where required, by reference to relevant manufacturers' bulletins or procedures and/or customer requirements

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assemble and adjust combustion section components

  1. Combustion section component parts are assembled within specified tolerances and in accordance with the appropriate maintenance documents
  2. Support/safety equipment, where fitted, is removed at the appropriate time
  3. Components are adjusted to ensure that fits and clearances are within prescribed specifications
  4. Finished components are tagged, sealed and packaged in accordance with standard enterprise procedures
  5. Required maintenance documentation and modification records are completed and processed in accordance with standard enterprise procedures
Combustion section component parts are assembled within specified tolerances and in accordance with the appropriate maintenance documents

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Support/safety equipment, where fitted, is removed at the appropriate time

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Components are adjusted to ensure that fits and clearances are within prescribed specifications

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Finished components are tagged, sealed and packaged in accordance with standard enterprise procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Required maintenance documentation and modification records are completed and processed in accordance with standard enterprise procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

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 apply hand skills and component theory knowledge and use maintenance publications to repair and overhaul aircraft gas turbine engine or engine module combustion section components while applying 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 repair and/or overhaul applications associated with gas turbine engine components and/or modules. It is essential that the maintenance procedures (including the use of correct fuels and lubricants) are interpreted and applied to ensure quality and safety standards are achieved.

Evidence of transferability of skills and knowledge related to repair is essential. This may be demonstrated through application across a number of different gas turbine engine components and/or modules. Ability to assess component/module serviceability and interpret parts requirements will be necessary to supplement the required evidence. Capability to interpret inspection procedures and specifications (allowable limits) and apply them in practice is critical. The application of testing procedures should also clearly indicate knowledge of system operation. Knowledge of system operation and the relationship of individual components will be necessary to supplement evidence of ability to troubleshoot component faults before under taking 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 routine supervision on at least one item from each of Groups 1 and 2 listed in the Range Statement, including demonstration of the repair processes listed in Groups 3 to 5. This shall be established via the records in the Log of Industrial Experience and Achievement or, where appropriate, an equivalent Industry Evidence Guide.

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 purpose tools and test equipment found in most routine situations would be used where appropriate.

Method of assessment

Guidance information for assessment

Required Skills and Knowledge

Required skills

Look for evidence that confirms skills in:

applying relevant OHS procedures, including the use of MSDS and PPE

using relevant maintenance documentation, specifications and aircraft/component manuals to:

recognise state of serviceability and overhaul or repair requirements for combustion section components

test and accurately and efficiently troubleshoot engine combustion component unserviceabilities and document the causes

dismantle and inspect combustion section component parts for serviceability and identify repair requirements as applicable

repair/replace/modify combustion section component parts

assemble and adjust combustion section components

correctly tagging, sealing and packaging completed components

Required knowledge

Look for evidence that confirms knowledge of:

how to obtain relevant MSDS

the use of applicable items of PPE

fault diagnosis techniques

combustion section and component operation

repair and overhaul procedures and processes, including inspection, rework, repair and reclamation, assembly, testing and final adjustment

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.

Note

Range statements listed below are numbered to facilitate specification of the assessment requirements included in the Evidence Guide

Combustion section components and/or modules

Combustion section components and/or modules from fixed or rotary wing gas turbine engine (turbo-jet, turbofan, turboshaft, turboprop), engine module or auxiliary power unit and may include:

1. Fuel manifold and nozzles

2. Combustion chamber (multiple can, can-annular or annular)

Repair of component parts

Repair of component parts may include:

3. Finishing or re-finishing of metal surfaces through processes such as polishing and lapping

4. Removal of corrosion within maintenance manual limits

5. Replacement of seals and gaskets

Application of this unit may relate to:

scheduled or unscheduled maintenance

individual or team-related activities

complex testing and adjusting of components, and where this is undertaken, may be carried out under supervision at the appropriate level

Procedures and requirements

Procedures and requirements refer to industry standard procedures specified by manufacturers, regulatory authorities or the enterprise