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Root Cause Analysis (RCA)

Root cause failure analysis (RCFA), or shorter, root cause analysis (RCA) is a systematical and organized, step by step, investigation and analysis of failure component or equipment by involving: i) site visit and observation, ii) metallurgical and  metallographic analysis, iii) mechanical properties tests and, iv) chemical composition analysis, v) fractographic study by using scanning electron microscope – SEM (for fracture cases), in order to determine the root cause(s) of the problem and to prevent similar occurence in the future. Sometime the failure is so simple that rigorous analysis is not needed and the oblivious cause can easily be determined. However, other failed equipment are quite complex, and hence, a deep and throughout analysis is required to determine the root of the problem.

 

 

Benefit of RCA

a. Similar occurence(s) can be prevented.

b. It improves the reliability, operation and safety aspects. 

c. It increases the effectiveness and efficiency of inspection and maintenance.                    

d. It minimized un-planned shutdown.

e. It increases the equipment life time because the damage can be detected and identified earlier and thus more focus on risk.