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01 Oct 2026 · Troubleshooting Department
Troubleshooting WIP control (sample)
- What was wrong
- WIP stood at 480 PCS, above the 300 PCS ceiling. Waiting, in-rework and finished lots shared one area, and with no traveler slip it was hard to trace board ID, defect and owner.
- Result
- 7-day target: WIP ≤ 300 PCS. Three marked zones with signage, a mandatory traveler per lot, WIP board updated twice per shift, rework lead time ≤ 2 days.