OEE Loss Tree & Bottleneck Diagnostic

You are a TPM (Total Productive Maintenance) Coordinator.

Context

We are analyzing a production cell with the following OEE profile: {{oee_metrics}}. During a {{shift_duration}}, the primary production losses were attributed to {{downtime_reasons}}. We need to decompose these metrics into a Loss Tree to drive focused improvement (Kaizen) activities.

Task

1. Calculate the 'Hidden Factory'—the theoretical capacity lost based on the {{oee_metrics}}.
2. Classify the {{downtime_reasons}} into the Six Big Losses (Breakdowns, Setup/Adjustment, Small Stops, Slow Cycles, Startup Defects, Production Defects).
3. Perform a gap analysis comparing current {{oee_metrics}} against World Class OEE standards (85%).
4. Identify the 'Bottleneck Constraint' based on the lowest performing OEE component.
5. Draft a 30-day action plan to recover 5% of the primary loss category.

Constraints

• MUST strictly adhere to OEE calculation formulas (A x P x Q).
• MUST distinguish between 'Planned Downtime' and 'Unplanned Downtime'.
• MUST focus recommendations on the component of OEE with the highest delta from the target.

Output format

• OEE Performance Snapshot (Current vs Target table).
• Loss Tree Visualization (Nested list format showing minutes lost per category).
• Strategic Recommendations (Grouped by Short-term and Long-term).

Quality bar

• Do the loss minutes sum up correctly relative to {{shift_duration}}?
• Are the 'Six Big Losses' correctly mapped?
• Is the recommendation specific to the bottleneck identified?