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Evidence Guide: MEA320 - Test and troubleshoot aircraft hydro-mechanical, gaseous and landing gear systems and components

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

 

MEA320 - Test and troubleshoot aircraft hydro-mechanical, gaseous and landing gear systems and components

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

Prepare for troubleshooting

  1. Relevant maintenance documentation and modification status, including system defect/service difficulty reports, where relevant, are interpreted to identify an unserviceability
Relevant maintenance documentation and modification status, including system defect/service difficulty reports, where relevant, are interpreted to identify an unserviceability

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Test hydro-mechanical, mechanical, gaseous and landing gear systems and components

  1. The aircraft and hydro-mechanical, mechanical, gaseous and landing gear systems are correctly prepared in accordance with specified procedures for the application of power
  2. Power is applied and system and components functionally tested in accordance with specified procedures for evidence of malfunction or leaks while applying all relevant work health and safety (WHS) procedures
  3. System calibration or adjustments are performed in accordance with specified procedures
The aircraft and hydro-mechanical, mechanical, gaseous and landing gear systems are correctly prepared in accordance with specified procedures for the application of power

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Power is applied and system and components functionally tested in accordance with specified procedures for evidence of malfunction or leaks while applying all relevant work health and safety (WHS) procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

System calibration or adjustments are performed in accordance with specified procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Troubleshoot hydro-mechanical, mechanical, gaseous and landing gear systems and components

  1. Available information from maintenance documentation and inspection and test results is used, where necessary, to assist in fault determination
  2. Maintenance manual fault diagnosis guide and logical processes are used to ensure efficient and accurate troubleshooting to line replacement level
  3. Specialist advice is obtained, where required, to assist with the troubleshooting process
  4. Hydro-mechanical, mechanical, gaseous and landing gear system and component faults are located and the causes of the faults are clearly identified and correctly recorded in maintenance documentation, where required
  5. Fault rectification requirements are determined to assist in planning the repair or adjustment
Available information from maintenance documentation and inspection and test results is used, where necessary, to assist in fault determination

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Maintenance manual fault diagnosis guide and logical processes are used to ensure efficient and accurate troubleshooting to line replacement level

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Specialist advice is obtained, where required, to assist with the troubleshooting process

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Hydro-mechanical, mechanical, gaseous and landing gear system and component faults are located and the causes of the faults are clearly identified and correctly recorded in maintenance documentation, where required

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Fault rectification requirements are determined to assist in planning the repair or adjustment

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1.

Prepare for troubleshooting

1.1

Relevant maintenance documentation and modification status, including system defect/service difficulty reports, where relevant, are interpreted to identify an unserviceability

2.

Test hydro-mechanical, mechanical, gaseous and landing gear systems and components

2.1

The aircraft and hydro-mechanical, mechanical, gaseous and landing gear systems are correctly prepared in accordance with specified procedures for the application of power

2.2

Power is applied and system and components functionally tested in accordance with specified procedures for evidence of malfunction or leaks while applying all relevant work health and safety (WHS) procedures

2.3

System calibration or adjustments are performed in accordance with specified procedures

3.

Troubleshoot hydro-mechanical, mechanical, gaseous and landing gear systems and components

3.1

Available information from maintenance documentation and inspection and test results is used, where necessary, to assist in fault determination

3.2

Maintenance manual fault diagnosis guide and logical processes are used to ensure efficient and accurate troubleshooting to line replacement level

3.3

Specialist advice is obtained, where required, to assist with the troubleshooting process

3.4

Hydro-mechanical, mechanical, gaseous and landing gear system and component faults are located and the causes of the faults are clearly identified and correctly recorded in maintenance documentation, where required

3.5

Fault rectification requirements are determined to assist in planning the repair or adjustment

Required Skills and Knowledge

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1.

Prepare for troubleshooting

1.1

Relevant maintenance documentation and modification status, including system defect/service difficulty reports, where relevant, are interpreted to identify an unserviceability

2.

Test hydro-mechanical, mechanical, gaseous and landing gear systems and components

2.1

The aircraft and hydro-mechanical, mechanical, gaseous and landing gear systems are correctly prepared in accordance with specified procedures for the application of power

2.2

Power is applied and system and components functionally tested in accordance with specified procedures for evidence of malfunction or leaks while applying all relevant work health and safety (WHS) procedures

2.3

System calibration or adjustments are performed in accordance with specified procedures

3.

Troubleshoot hydro-mechanical, mechanical, gaseous and landing gear systems and components

3.1

Available information from maintenance documentation and inspection and test results is used, where necessary, to assist in fault determination

3.2

Maintenance manual fault diagnosis guide and logical processes are used to ensure efficient and accurate troubleshooting to line replacement level

3.3

Specialist advice is obtained, where required, to assist with the troubleshooting process

3.4

Hydro-mechanical, mechanical, gaseous and landing gear system and component faults are located and the causes of the faults are clearly identified and correctly recorded in maintenance documentation, where required

3.5

Fault rectification requirements are determined to assist in planning the repair or adjustment

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 all relevant WHS procedures

using maintenance manuals to prepare the aircraft for testing and troubleshooting of hydraulic, fuel, gaseous, landing gear and mechanical systems and components

using hand skills, tools and systems knowledge in the testing, adjustment and troubleshooting of hydraulic, fuel, gaseous, mechanical and landing gear systems

using hand skills, tools and component knowledge in the adjustment and troubleshooting of hydraulic, fuel, gaseous and mechanical system components

jacking of the aircraft, as required, for landing gear system testing, rigging and troubleshooting

using hand skills, tools and system/component knowledge in the adjustment and troubleshooting of landing gear components

effectively using maintenance documentation and relevant fault diagnosis guides in the troubleshooting process

recognising external defects in hydro-mechanical, gaseous, mechanical and landing gear systems and components.

The underlying skills inherent in this unit should be transferable across a range of testing and troubleshooting applications (including the timely involvement of supervisors or other trades) associated with aircraft hydro-mechanical, gaseous, mechanical and landing gear systems and their components. It is essential that system test procedures take into account all safety precautions applicable to the system being maintained, especially where system operation/switching interrelates to other systems being maintained.

Ability to interpret system performance specifications (allowable limits) and apply them in practice is critical and shall be demonstrated through application across the range of systems listed in the Assessment Conditions.

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:

hydraulic, fuel, gaseous, mechanical and landing gear system layout, operation and characteristics and system component operation and construction, including electrical system interfaces

how to configure the aircraft for testing and troubleshooting of hydraulic, fuel, gaseous, mechanical and landing gear systems and components

standard trade practices relating to tool usage and installation/securing of aircraft hardware

fluid power theory

hydraulic system layout, operation and characteristics (including electrical and instrument system interfaces) and system component construction and operation for:

landing gear retraction systems

brake and anti-skid systems

nose wheel steering systems

fuel system and component layout, operation and characteristics (including electrical system interfaces) and system component operation and construction

gaseous (pneumatic, air conditioning, pressurisation and fire-extinguishing system and component layout, operation and characteristics (including electrical and instrument interfaces) and system component operation and construction

construction and operation of landing gear components, including:

wheel assemblies

struts/oleos

uplocks and downlocks

mechanical systems and linkages, including those related to the above systems

how to configure the aircraft for inspection, testing and troubleshooting of hydraulic, fuel, gaseous and landing gear systems and components

maintenance requirements and troubleshooting procedures

relevant WHS practices relating to hydraulic, fuel, gaseous, mechanical and landing gear systems and components, including lifting and handling of heavy items

relevant maintenance manuals

relevant regulatory requirements and standard 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.

Hydro-mechanical systems include:

Hydraulic systems

Fuel systems

Components of hydro-mechanical systems include:

Hydraulic accumulators, filters, reservoirs, valves, pumps, motors, actuators, regulators and direct reading gauges

Fuel system filters, valves, pumps, rigid and flexible storage cells/tanks

Rigid and flexible pipelines, hoses and fittings

Landing gear systems include:

(components of landing gear retraction, steering and braking systems are covered by hydro-mechanical and mechanical system components)

Retraction systems

Steering systems

Brake systems, including anti-skid, where applicable

Landing gear components include:

Wheel assemblies

Brake units

Struts/oleos

Gaseous systems include:

Pneumatic

Air cycle air conditioning

Pressurisation

Fire-extinguishing

Gaseous system components include:

Gauges (direct reading), temperature sensors, pressurisation controllers and temperature controllers

Heat exchangers, pressure vessels, condensers, compressors, expansion turbines, humidifiers, valves and actuators

Rigid and flexible pipelines and fittings

Ducting

Mechanical systems include:

Mechanical operating and locking systems

Mechanical system components include:

Cables, pulleys, guides, fairleads, tension regulators, chains and sprockets

Push/pull rods, torque tubes, bellcranks, screwjacks, clutches, springs, bearings and gears

Procedures and requirements include:

Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise