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Elements and Performance Criteria

1. Inspect basic aircraft avionic systems and components
   • Use maintenance documentation and modification status, including system defect reports where relevant, to identify specific inspection requirements
2. Check isolation tags and configure aircraft for safe system inspection and operation according to applicable maintenance manual
3. Visually or physically check avionic systems for external signs of defects according to applicable maintenance manual and work health and safety (WHS) requirements
4. Correctly identify and report defects
5. Test and adjust basic aircraft avionic systems
   • Prepare aircraft and systems according to applicable maintenance manual for the application of power/system operation
6. Functionally test avionic systems for evidence of serviceability or malfunction according to maintenance manual
7. Calibrate or adjust system according to maintenance manual and as appropriate
8. Troubleshoot basic aircraft avionic systems
   • Use available information from maintenance documentation and inspection and test results, where necessary, to assist in fault determination
9. Use maintenance manual fault diagnosis guides and logic processes to ensure efficient and accurate troubleshooting using test sets, maintenance data, and fault-finding charts or similar, to line replacement level
10. Obtain specialist advice where required to assist with the troubleshooting process
11. Locate system faults and clearly identify and correctly record their causes in maintenance documentation where required and according to standard organisational procedures
12. Determine rectification requirements
13. Remove and install basic aircraft avionic system components
    • Render system safe and prepared according to applicable maintenance manual and fit isolation tags where necessary to ensure personnel safety
14. Remove avionic component according to applicable maintenance manual while observing WHS requirements
15. Complete and process required maintenance documentation according to standard organisational procedures
16. Tag and package removed components according to specified procedures
17. Check avionic components to be installed to confirm correct part numbers, modification status, serviceability, and shelf life
18. Perform physical installation of avionic components according to applicable maintenance manual
19. Reinstate system to correct operational condition in preparation for testing and calibration or adjustment, as necessary