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Elements and Performance Criteria

1. Prepare to perform routine repairs and minor modifications to aircraft non-primary structural sheetmetal components
   • Applicable sheetmetal repair scheme is determined in accordance with applicable maintenance documentation, enterprise procedures and qualified person guidance.
   • All required materials and equipment are selected and organised in accordance with enterprise procedures and maintenance documentation.
2. Perform routine repairs and minor modifications to aircraft non-primary structural sheetmetal components
   • Sheetmetal repairs are performed in accordance with approved repair scheme, ensuring that aircraft standard practices are used and standard process requirements are carried out.
   • Work area is cleaned of all waste material or adjustments.
   • Under guidance of a qualified person, minor adjustments are made, where necessary, for components to operate within prescribed specifications.
3. Complete routine repair and minor modification activities
   • Required documentation is accurately completed and correctly processed in accordance with enterprise procedures.
   • Repaired components or assemblies are tagged, sealed and packaged or cradled in accordance with specified procedures, where required.

Required Skills

Required skills

Look for evidence that confirms skills in applying relevant OHS procedures including the use of MSDS and PPE using enterprise procedures approved maintenance documentation and aircraft publications relating to aircraft sheetmetal components identifying various aircraft metals used for sheetmetal components and their basic metallurgy properties by interpretation of markings numbering systems or visual chemical or mechanical means handling and storing aircraft metals used for sheetmetal components including sealing agents to industry standards identifying aircraft sheetmetal assembly fasteners metal and nonmetallic by interpretation of markings numbering systems size shape and colour correctly interpreting with expert qualified person guidance and in accordance with enterprise procedures sheetmetal repair schememodification drawings and hand sketches using appropriate hand tools and machines under supervision to remove and assemble aircraft sheetmetal components performing under guidance and in accordance with enterprise procedures a range of routine sheetmetal repair techniques including metal scab patch repairs applying corrosion removaltreatment techniques restoring sealing and surface finishes

Required knowledge

Look for evidence that confirms a basic knowledge of aircraft sheetmetal component construction principles and repair techniques how to obtain relevant MSDS the use of applicable items of PPE OHS procedures

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 apply hand skills and use maintenance publications under qualified person guidance to repair aircraft nonprimary structure sheetmetal 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 into other areas that require similar techniques It is essential that procedures take into account all safety precautions and quality requirements standards and practices and processes associated with assembly Evidence of knowledge about enterprise procedures relating to basic repair techniques and the use of the standard repair manualpractices in a range of different routine repair situations will be necessary to supplement evidence of ability to plan and undertake component repair 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 at least one item from each of Groups to 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 Evidence Guide
Context of and specific resources for assessment	Competency should be assessed in the work environment using tools and equipment specified by aircraft maintenance manuals It is also expected that general purpose tools test and ground support equipment 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.
Note:	The Range Statements below are numbered to facilitate specification of the assessment requirements included in the Evidence Guide
Sheetmetal repairs	Sheetmetal repairs may include: 1. Removing corrosion by chemical and mechanical methods 2. Restoring protective coatings 3. Freehand precision hole generation 4. Removing and installing fastening devices 5. Routine repairs to non-primary structural sheetmetal components
Work environment	Work is undertaken either autonomously or as part of a team and under the guidance of a qualified person. 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). All 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.
Competency application	Competency applies to the routine repair and/or minor modification of aircraft non-primary structural sheetmetal components. Note that 'primary structure/structural' refers to all components of an aircraft, the failure of which would seriously endanger safety, for example, wing or tailplane spars, main fuselage frames, engine bearers, portions of skin that are highly stressed. 'Non-primary' refers to any other items. Note also that the scope of any modification and the procedure to be followed will be provided by the qualified person.
Scope	Repairs/modification undertaken are limited to the scope of skills and knowledge included in the unit of competency MEA109B Perform basic hand skills, standard trade practices and fundamentals in aviation maintenance
Procedures and requirements	Refer to industry standard specified by manufacturers, regulatory authorities or the enterprise

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