A structured methodology used to identify the underlying causes of failures, incidents or recurring problems.
Root Cause Analysis (RCA) is a systematic investigation process used to identify the fundamental causes of failures, incidents or recurring problems so that effective corrective actions can be implemented to prevent recurrence. RCA applies structured analytical techniques to distinguish underlying causes from symptoms and contributing factors, supporting continual improvement in reliability, safety and operational performance.
Root Cause Analysis identifies the fundamental causes of failures and incidents to support effective corrective and preventive actions.
Common Root Cause Analysis techniques include the 5 Whys, Fishbone (Ishikawa) Diagrams, Fault Tree Analysis, Cause Mapping and Apollo Root Cause Analysis, with the selected methodology depending on the complexity of the problem being investigated.
Root Cause Analysis identifies the underlying causes of failures or incidents, whereas 8D Problem Solving provides a broader team-based methodology that incorporates root cause analysis as one stage of the overall problem-solving process.
Reliability Engineering; Continuous Improvement; Incident Investigation.
Manufacturing.; Oil and gas.; Petrochemical.; Infrastructure.; Power generation.
IEC 62740; API RP 585
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