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Elements and Performance Criteria

1. Maintain and/or repair mechanical components or parts
   • Maintenance and/or repair requirements are determined, following disassembly and assessment of component parts for serviceability, in accordance with the relevant maintenance documentation
   • Tagging and repair instructions are accurately specified for parts requiring specialist repair
   • Appropriate materials, tools, equipment and assembly or fabrication jigs are selected and prepared for the particular specification requirements
   • Components or parts are maintained, repaired or modified as approved by relevant manufacturers’ bulletins or procedures in accordance with required specifications
   • Mechanical component parts are assembled within specified tolerances and in accordance with the appropriate maintenance documents 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)
   • Mechanical components are adjusted, as required, to operate within prescribed specifications
   • Test equipment and rigs are used, where applicable, to confirm serviceability
   • Maintained/repaired or modified components are tagged, sealed and packaged within specified procedures
   • Required maintenance documentation is completed and processed in accordance with standard enterprise procedures

Range Statement

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.
Components or parts to be maintained and/or repaired, if applicable to the enterprise, include:	Hoses Pipes Cables, pulleys, chains, sprockets and gear drives Control rods, bellcranks, links and screwjacks Trim panels; linings; seats; cabin equipment and consoles; coverings; and emergency equipment stowage, including passenger escape systems, life jackets, rafts, location transmitters, cargo, crew and/or passenger seat restraints
Maintain includes:	Cleaning, inspection for wear or damage and adjustment and lubrication, where applicable
Repair includes:	Standard techniques for pipes and replacement of eye-ends, tubes or bearings for control rods/pulleys/sprockets and bushes or bearings for bellcranks and links The use of adhesives and appropriate patch materials for trim and upholstery repairs (more extensive repairs involving sewing are covered by MEA509 Manufacture, repair and alter aircraft-related fabric components) Replacement of restraint system components where sewing is not required (more extensive repairs are covered by MEA508 Maintain, install and remove restraint systems)
Procedures and requirements include:	Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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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 include:

applying relevant WHS practices including the selection and use of PPE and MSDS

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

recognise state of serviceability and repair requirements for the range of components listed in the Range of Conditions that are applicable to the enterprise

identify requirements and complete repairs and/or modifications

test and/or adjust components as required

correctly tagging, sealing and packaging completed components that are not being immediately refitted.

The underlying skills inherent in this unit should be transferable across a range of maintenance and repair applications associated with aircraft components. It is essential that the relevant 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.

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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:

mechanical component operation and repair procedures and processes:

hoses

pipes

cables, turnbuckles and tensioning devices

pulleys

chains and sprockets

gear drives

screwjacks

control rods

bellcranks

links

internal fittings and emergency equipment operation, construction, installation and maintenance/repair:

trim panels

linings and coverings

seats and crew/passenger restraints

cargo restraints

cabin equipment and consoles

emergency equipment inspection and stowage requirements:

passenger escape systems

life jackets

rafts

emergency location transmitters

applicable WHS procedures, including the selection and use of items of PPE

how to obtain relevant MSDS

how to identify suitable adhesives and patching materials for upholstery and trim

inspection and test requirements for restraint system components

safe stowage requirements for items of emergency equipment

how to determine serviceability of items of emergency equipment

relevant maintenance manuals, standards and specifications

relevant regulatory requirements and standard procedures.

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