ROOT CAUSE ANALYSIS
5 Whys Analysis for Missing Lot Numbers
A worked root cause analysis example, rendered live. Open it in the AI editor and adapt it to your own case.
Make this diagram your own.
Open it in the AI editor with a prompt pre-filled — keep what works, change what doesn't.
CASE ANALYSIS
Scenario
Pharmaceutical manufacturing line discovers finished units with missing lot numbers, triggering a deviation investigation using the 5 Whys technique to find systemic root cause.
Key decisions
- Trace problem through printer error, calibration, procedure, training, to maintenance schedule.
When to reuse this
Use for systematic root cause analysis of quality deviations where a single causal chain is suspected.
RELATED EXAMPLES
More root cause analysis examples
MAKE YOUR OWN
Try the diagram makers.
Open this example in the editor →
Tweak it with chat, export PNG/SVG, or fork it for your own use case.
flowchart-5-whys-analysis-for-missing-lot-numbers-on-pharmaceutical-la