Elements and Performance Criteria

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
Removable components of structure
Removable components are those that are installed using bolts and/or screws. Where component removal and installation requires the removal and installation of rivets the applicable unit is either:
MEA311D Inspect and repair/modify aircraft structures, or
MEA423A Aircraft structure major disassembly and reassembly
Structural components may include:
1. Removable components of wings, pylons, empennage, landing gear support structure, fairings, nacelles and thrust reversers
2. Removable components or sections of pressurised aircraft fuselage
3. Pressurised fuselage entry, cargo, access doors and associated pressure seals
4. Pressurised fuselage windows, transparent panels and associated seals
5. Where applicable, trim panels, linings, seats, cabin equipment and consoles, floor panels and coverings
6. Applicable emergency and safety equipment, including passenger escape systems, inflatable, slides, life jackets, rafts, location transmitters, beacons, crew and/or passenger seat restraints
Installation
Installation includes:
checking and adjustment of all doors and access panels, including locking mechanisms, for correct fit and sealing
Sealant removal and application
The removal and application of faying (contact or overlapping) surface, pressure hull and fuel tank sealants is included, where applicable
Application
Application of this unit may relate to:
scheduled or unscheduled maintenance activities
individual or team-related activities
Procedures and requirements
Refer to industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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 use maintenance manuals and applicable tools to remove and install removable structural and non-structural components from pressurised aircraft 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 into other units that require similar techniques. It is essential that shoring, trestling and lifting requirements and safety precautions applicable to the structure being maintained are fully observed, understood and complied with.
Evidence of transferability of skills and knowledge related to removal and installation is essential. This may be demonstrated through application across a representative range of the areas listed in the Range Statement. An understanding of component handling, attachment methods, adjustment and sealing as it relates to the work must be demonstrated 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 routine supervision on at least one item from each of Groups 1 to 6, as 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 or simulated work environment using tools and equipment specified in 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