HOMETOOLS
Incident Investigation Form
Guided accident and incident investigation -- all fields stay in your browser
1. Incident Details
2. People Involved
3. Description
4. Root Cause Analysis
Root Cause Toolkit
5 Whys for depth · Fishbone (6 Ms) for breadth · both feed into Corrective Actions below.
5 Whys
Each answer becomes the next question. Stop when the answer points to a systemic cause you can actually change (a procedure, a control, a design choice — not "operator made a mistake").
Why 1:
Why 2:
Why 3:
Why 4:
Why 5:
Fishbone — 6 Ms (Ishikawa)
Walk every category — even when one is the obvious culprit. The boxes you leave empty are often where the next incident lives.
5. Corrective Actions
Action Item #1
6. Prevention
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