The TapRooT® Root Cause Tree® Dictionary is a proprietary expert system used to identify the underlying causes of human error and equipment failure. While there is no official "free PDF" version because the dictionary is a copyrighted commercial product, several resources can help you understand and apply its principles. 🔍 The TapRooT® Root Cause Tree® Dictionary

Remember: The goal is not just to collect a PDF. The goal is to build a learning organization—one where every failure is a lesson, not a blame. The Root Cause Tree Dictionary, even in its free form, is your map to that destination.

She walked out to the Red Line at 2:00 AM, the time of the last failure. She looked at the misalignment sensor. It was entirely in shadow, hidden behind a newly installed safety guard. The Dictionary specifically asked: Is the equipment designed to be easily read/seen? The answer was a resounding

Report: Overview of the Taproot Root Cause Tree & Dictionary

Prepared for: Investigators, safety professionals, quality assurance teams
Date: [Current date]
Purpose: To explain the purpose, structure, and legal access points for the Taproot Root Cause Tree Dictionary.

Consistency: It removes investigator bias by providing a common language and standardized definitions for root causes.

For the most accurate and current analysis, it is recommended to use authorized materials from System Improvements, Inc

1. Physical & System Root Causes

These are the tangible failures. The tree branches into sub-categories like: