Differences between FMEA & RCA

November 30, 2016

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Sr. No.	FMEA (Failure Mode and Effect Analysis)	RCA (Root Cause Analysis)
1	Prospective, Proactive Focus : Failure prevention	Reactive Focus : Failure detection
2	Used for changes or modification in equipment, process	Used for product complaints, OOS, unplanned deviation, recalls.
3	Choose topic for evaluation of failure modes prior to its implementation	Analyse underlying cause on occurrence of a failure through a series of ‘WHY’ questions
4	‘Contributory factors’ for potential failure modes are its implementation.	Causes of problems are investigated what went wrong?
5	Goal: Evaluate impact of changes and decrease the ‘RPN’	Goal: Preventing recurrence of problem
6	Includes detestability in evaluation	Develop ways to defect and fix a problem.