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RCFA

RCFA — Root Cause Failure Analysis

A structured engineering investigation used to identify the underlying causes of equipment or asset failures and prevent recurrence.

Definition

Root Cause Failure Analysis (RCFA) is a systematic engineering investigation used to determine the underlying causes of equipment failures by evaluating physical evidence, operating conditions, maintenance history and contributing factors. RCFA focuses on identifying the fundamental technical causes of failure so that effective corrective actions can be implemented to prevent similar failures from recurring.

Why It Matters

Root Cause Failure Analysis identifies the engineering causes of equipment failures to support effective corrective actions and continual reliability improvement.

In Practice

RCFA commonly incorporates techniques such as Failure Modes and Effects Analysis (FMEA), Fault Tree Analysis (FTA), metallurgical examination, laboratory testing and engineering analysis to determine the mechanisms and causes of equipment failures.

Common Misuse

Root Cause Failure Analysis focuses specifically on engineering investigations of equipment failures, whereas Root Cause Analysis is a broader methodology applicable to quality, safety, operational and business problems.

Term Details
Synonyms:
RCFA; Root Cause Failure Analysis; Failure Analysis; Equipment Failure Investigation
Classification:
Reliability Engineering
Methodology
Advanced
Applications

Reliability Engineering; Failure Analysis; Asset Integrity.

Where It's Used

Oil and gas.; Petrochemical.; Manufacturing.; Power generation.; Infrastructure.

References

API RP 585

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