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Elements and Performance Criteria

1. Inspect small piston engine aircraft pressurisation system
   • Use relevant 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 pressurisation system components for external signs of defects according to maintenance manual procedures and work health and safety (WHS) requirements
4. Identify and report defects using organisational reporting processes
5. Test/adjust small piston engine aircraft pressurisation systems and components
   • Prepare aircraft and system according to applicable maintenance manual for the application of power/system operation
6. Functionally test pressurisation system for evidence of serviceability or malfunction according to maintenance manual
7. Adjust system according to maintenance manual
8. Troubleshoot small piston engine aircraft pressurisation systems
   • Use available information from maintenance documentation, 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 to line replacement level
10. Obtain specialist advice, where required, to assist with troubleshooting process
11. Locate pressurisation system faults, and identify and record their causes in maintenance documentation where required, according to standard organisational procedures
12. Determine rectification requirements
13. Remove and install small piston engine aircraft pressurisation system components
    • Render system safe according to applicable maintenance manual, and fit isolation tags where necessary to ensure personnel safety
14. Remove pressurisation system component according to applicable maintenance manual and WHS requirements
15. Complete and process required maintenance documentation
16. Tag, seal and package removed components according to specified procedures
17. Check components to be installed to confirm correct part numbers, serviceability, and modification status
18. Carry out installation according to applicable maintenance manual
19. Complete and process required maintenance documentation according to standard organisational procedures