Elements and Performance Criteria
- Verify the defect
- Inspection of the affected system is carried out to check both physical integrity and correct operation
- Information gained from Central Maintenance Systems is verified against physical integrity and correct operation, where applicable
- Isolate the defect
- Logical processes including the application of basic principles and system knowledge and known facts are used to augment maintenance manual fault diagnosis guides to ensure efficient and accurate troubleshooting
- Specialist advice is obtained, where required and/or available, to assist with the troubleshooting process
- Faults are located and the causes of the defects are clearly identified and correctly recorded in maintenance documentation including any other systems disturbed, where required
- Determine defect rectification requirements
- Verify defect rectification
- Defect is rectified in accordance with approved maintenance data
- All systems disturbed or accessed during troubleshooting are restored as applicable using maintenance manuals, repair schemes or approved maintenance data
- All check(s) required by approved maintenance data to ensure correct operation of all disturbed systems are performed