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Maleesha Thalagala

Maleesha Thalagala

Aspiring Business Analyst |Technical Writer | Sharing insights on career growth in tech. Reach out if you’d like to collaborate on your publication.

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Root Cause Analysis

A Beginner’s Guide to RCA in Business Analysis

4 min readJul 20, 2026

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Introduction

Problems arise in all businesses, but merely treating the symptoms does not necessarily prevent them from occurring again. To effectively fix problems, Business Analysts must first discover the root cause of the issue.

Here’s where Root Cause Analysis (RCA) comes in.

Root Cause Analysis is a problem-solving method that seeks to uncover the root cause of a problem rather than simply treating its symptoms. Finding the fundamental cause allows businesses to create long-term remedies and lessen the likelihood of the problem reoccurring.

This article will explain what Root Cause Analysis is, why it’s essential, typical methodologies, and how Business Analysts utilise it in actual projects.

What is RCA?

Root Cause Analysis (RCA) is a systematic process for determining the fundamental cause of a problem.

Instead of asking, “What happened?” RCA asks, “Why did it happen?”

The idea is to solve the root cause of the problem rather than constantly resolving it.

Why do business analysts do RCA?

  • Identify the actual cause of the issues.

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Maleesha Thalagala
Maleesha Thalagala

Written by Maleesha Thalagala

Aspiring Business Analyst |Technical Writer | Sharing insights on career growth in tech. Reach out if you’d like to collaborate on your publication.