Unit of competency Outline

Date retreived
22/07/2026 10:20 PM AWST

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Inspect, test and troubleshoot aircraft hydro-mechanical and landing gear systems and components

Inspect, test and troubleshoot aircraft hydro-mechanical and landing gear systems and components

Unit of competency
National Code
MEA309
State Code
AUF75
TGA Status
Current
DTWD Status
Approved
Current Release Number
2.00
Current Release Date
31/08/2018
View on TGA
State Implementation and Classification
Approved Date
22/07/2015
Field of Education
031503 - Aircraft Maintenance Engineering
Original Release Date
22/07/2015
Nominal Hours
120
Description
This unit of competency requires application of hand skills, standard trade practices and systems knowledge in the inspection, testing and troubleshooting of aircraft hydro-mechanical and landing gear systems and components of fixed and rotary wing aircraft during the performance of scheduled or unscheduled maintenance. Maintenance may be performed individually or as part of a team.The unit is part of the Mechanical Certificate IV (Aircraft Maintenance Stream) training pathway. The unit is used in workplaces that operate under the airworthiness regulatory systems of the Australian Defence Force (ADF) and the Civil Aviation safety Authority (CASA). Where a CASA licensing outcome is sought this unit forms part of the CASA requirement for the granting of the chosen maintenance certification licence under Civil Aviation Safety Regulation (CASR) Part 66, in accordance with the licensing provisions in the Companion Volume Implementation Guide.
Notes
Elements and Performance Criteria
1. Inspect hydro-mechanical systems and components
  • 1.1 Isolation tags already attached to the system or related systems are checked and aircraft configured for safe system inspection and operation in accordance with specified procedures
  • 1.2 Hydro-mechanical system and system components are visually or physically checked for external signs of defects in accordance with specified procedures 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)
2. Inspect landing gear systems and components
  • 2.1 Isolation tags already attached to the system or related systems are checked and aircraft configured, including jacking where necessary, for safe system inspection and operation in accordance with specified procedures
  • 2.2 Landing gear system and system components are visually or physically checked for external signs of defects in accordance with specified procedures while observing all relevant WHS requirements, including the use of MSDS and PPE
3. Test hydro-mechanical and landing gear systems
  • 3.1 The aircraft and hydro-mechanical systems are correctly prepared, in accordance with specified procedures, for the application of power
  • 3.2 Power is applied and system functionally tested, in accordance with specified procedures, for evidence of malfunction or leaks
  • 3.3 System calibration or adjustments are performed in accordance with specified procedures
4. Prepare for troubleshooting
  • 4.1 Relevant maintenance documentation and modification status, including system defect/ service difficulty reports where relevant, are interpreted to identify an unserviceability
5. Troubleshoot hydro-mechanical and landing gear systems
  • 5.1 Available information from maintenance documentation and inspection and test results is used, where necessary, to assist in fault determination
  • 5.2 Maintenance manual fault diagnosis guide and logical processes are used to ensure efficient and accurate troubleshooting to line replacement level
  • 5.3 Specialist advice is obtained, where required, to assist with the troubleshooting process
  • 5.4 Hydro-mechanical and landing gear system faults are located and the causes of the faults are clearly identified and correctly recorded in maintenance documentation, where required
  • 5.5 Fault rectification requirements are determined to assist in planning the repair or adjustment
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