Root Cause Analysis (RCA)

  • /
  • Blog
  • /
  • Root Cause Analysis (RCA)

Root Cause Analysis is used to analyze the root cause of a positive or negative event. The purpose is to take corrective actions to prevent the recurrence of a negative outcome or facilitate a positive outcome.

What is the root cause?

  • A cause, if corrected, will prevent the recurrence of a problem.
  • It will also prevent the occurrence of similar problems.
  • It is the most basic reason for the problem that can be logically identified and corrected.
  • There could be multiple root causes of a problem.

How to Perform Root Cause Analysis (RCA)?

There are four broad strategies or approaches for Root Cause Analysis (RCA) and problem-solving:

1. Five Why's

2. Cause and Effect Diagram

3. A3 Problem Solving Approach

4. Eight Disciplines or 8D Problem Solving Approach

Depending upon the complexity of the problem, you can choose one of these approaches.


Root Cause Analysis - Online Training

  • $130 course for just $15.99 today!
  • 8+ hours of videos, slides & quizzes
  • What are the commonly used tools and techniques for the Root Cause Analysis?

    While taking the above mentioned four approaches, there are many tools and techniques which could be applied. Here is the list of commonly used tools in the root cause analysis.

    1. Seven Basic Quality Tools (Cause and Effect Analysis, Flow Chart, Check Sheet, Pareto Chart, Scatter Plot, Control Charts and Histograms)

    2. Descriptive Statistics (Mean, Mode, Median, Range and Standard Deviation)

    3. Graphs and Charts (Box and Whisker Plot, Individual Value Plot, Bar Chart, Pie Chart, Bubble Chart, Matrix Plot, and Time Series)

    4. Value Stream Mapping

    5. Tools for D1 (Establish the Team): Team Roles, Team Stages, Conflict Management and Negative Team Behaviours

    6. Tools for D2 (Describe the Problem): 5W2H, SIPOC, Gemba Walk and Stakeholder Analysis

    7. Tools for D3 (Interim Containment): Identification and Traceability

    8. Tools for D4 (Root Cause Analysis): Brainstorming, Nominal Group Technique and Affinity Diagram

    9. Tools for D5 (Develop CA): Poka-yoke, Force Field Analysis, Control Plan and Benefit-Cost Analysis

    10. Tools for D6 (Implement CA): Gantt Chart, RACI Matrix, Reports and Dashboard

    11. Tools for D7 (Prevent Recurrence): FMEA


    Customers served! 1

    Quality Management Course

    FREE! Subscribe to get 52 weekly lessons. Every week you get an email that explains a quality concept, provides you with the study resources, test quizzes, tips and special discounts on our other e-learning courses.

    Similar Posts:

    March 31, 2018

    Continual Improvement Methodologies

    February 2, 2018

    ISO 9001 2008 vs ISO 9001 2015

    December 26, 2021

    Seven Quality Tools – Control Charts

    October 31, 2021

    QG Certificate for Udemy Students

    December 18, 2021

    Becoming a Quality Engineer – Roles, Qualifications, Salary and Career Paths

    October 20, 2020

    Eight Disciplines (8D) Problem Solving

    February 4, 2020

    Interrelationship Digraph for the Root Cause of Poor Quality

    31 Courses on SALE. Join 200,000+ Existing Students.