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Elements and Performance Criteria

1. Remove components
   • Structure is supported and prepared in accordance with the applicable maintenance manual to ensure personnel safety and freedom from damage to aircraft or component during component removal
   • Component removal is carried out in accordance with the applicable maintenance manual 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)
   • Required maintenance documentation is completed and processed in accordance with standard enterprise procedures
   • Removed components are tagged and prepared for transport in accordance with specified procedures
2. Install components
   • Structural components to be installed are checked to confirm correct part numbers, serviceability and modification status
   • Component installation is carried out in accordance with the applicable maintenance manual while observing all relevant WHS requirements, including the use of MSDS and items of PPE
   • Support/safety equipment is removed at an appropriate time to ensure personnel safety and freedom from structural damage
   • 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.
Removable components of structure include:	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 MEA339 Inspect, repair and maintain aircraft structures, MEA370 Repair the structure of non-pressurised small aircraft or MEA371 Perform major repairs and modifications to small aircraft metal structure. Structural components include: removable components of wings, pylons, empennage, landing gear support structure, fairings, nacelles and thrust reversers removable components or sections of pressurised aircraft fuselage pressurised fuselage entry, cargo, access doors and associated pressure seals pressurised fuselage windows, transparent panels and associated seals trim panels, linings, seats, cabin equipment and consoles, floor panels and coverings (where applicable to the enterprise) applicable emergency and safety equipment, including passenger escape systems, inflatable, slides, life jackets, rafts, location transmitters, beacons, and crew and/or passenger seat restraints
Installation includes:	Checking and adjustment of all doors and access panels, including locking mechanisms, for correct fit and sealing
Sealant removal and application includes:	The removal and application of faying (contact or overlapping) surface, pressure hull and fuel tank sealants (where applicable to the enterprise)
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 must include:

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

using relevant maintenance documentation and aircraft manuals to:

remove structural components

install structural components

remove doors, door seals, windows and transparent panels

install doors, door seals, windows and transparent panels

checking and adjusting all doors and access panels, including locking mechanisms and ensuring effective sealing.

The underlying skills inherent in this unit should be transferable to 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.

This may be demonstrated through application across a representative range of the component groups listed in the Assessment Conditions.

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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:

structural component methods of construction and attachment

faying surface treatment and fuel tank and pressure hull sealing

aircraft doors and related seals

window and transparent panel construction, attachment methods and sealing

aircraft interior fittings (trim, linings, seats, floor panels, and so on) construction and attachment methods

the location and attachment or stowage methods for emergency equipment:

passenger escape systems

inflatable slides

life jackets

life rafts

location transmitters, beacons

crew and/or passenger seat restraints

relevant maintenance manuals

relevant regulatory requirements and standard procedures

relevant WHS practices

how to obtain MSDS

use of PPE.

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