In-service Inspections Are Normally Carried Out For 

Maintenance Or Survey  By Following Main Steps:

1. Evaluating and Recording  The Condition of Equipment Inspected Under The Procedures
2. Establishment of Appropriate Inspection Schedule and Intervals 
3. Risk Assessment of Equipment
4. Estimating The Remaining Useful Life of Equipment
5. Analysing Inspection Results To Prevent Failure system and Assure Reliable and Safe Operation
6. Registration and Maintenance of Inspection Records
7. Repairs and Maintenance