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root cause analysis · pharmaceutical quality · deviation investigation

5 Whys Analysis for Missing Lot Numbers

Tipo Diagramma di flussoStandard Sugiyama layered DAG + orthogonal routingMotore schematex-flowchartAggiornato 08/08/2026
5 Whys Analysis for Missing Lot Numbers
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Lo 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.

Cosa contiene questo disegno

Leggi le decisioni che ne stanno alla base.

01

Trace problem through printer error, calibration, procedure, training, to maintenance schedule.

Use for systematic root cause analysis of quality deviations where a single causal chain is suspected.

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