SPECSPEC8D Report › The complaint, laid flat8D Report › The complaint, laid flat
Statement of facts, complaint CQ-4471Statement of facts, complaint CQ-4471
Erwan·August 18, 2026
01 ┤1. Identification
| FieldField | ValueValue |
|---|---|
| Part number | 774-2210-B, bracket, zinc plated |
| Batch | L-26-0714 |
| Quantity delivered | 4 800 |
| Quantity claimed | 61 |
| Delivery date | 2026-07-16 |
| Complaint received | 2026-07-29 |
| Customer reference | CQ-4471 |
02 ┤2. What the customer describes
Quoted from the complaint of 2026-07-29.
"Burr on the 8 mm bore, felt by hand, on parts taken from the top layer of two boxes."
"Two operators cut themselves on assembly line 3. Line stopped 40 minutes."
"Sorting at our end found 61 parts out of the 300 checked."
Photo supplied: one part, bore lit from the side, no scale in frame.
Nothing in this section has been confirmed against our own records. It is what the customer says.
03 ┤3. What our records show
Batch L-26-0714 ran on machine CN-06, shift B, 2026-07-14. Source: traveller L-26-0714.
Final inspection recorded 5 parts per box checked, bore diameter only, no burr criterion on the control plan. Source: control plan CP-774-2210 rev C.
Deburring station log shows brush change on 2026-07-13, next change due 2026-07-20. Source: maintenance log MA-CN06.
Bore diameter readings on the batch: 8.02 to 8.05 mm, tolerance 8.00 to 8.10. In tolerance. Source: measurement log ML-26-0714.
04 ┤4. What nobody has checked yet
Whether the burr is present on parts still in our stock from the same batch. No retained sample has been pulled.
Whether "top layer of two boxes" corresponds to the end of the run. The traveller does not record packing order.
Whether the deburring brush was worn before its due date. No wear measurement is taken at change.
Whether the two other customers who received this batch have the same condition. Not contacted.
Whether the 61 out of 300 rate holds across the whole delivery, or only the boxes checked.
05 ┤5. What is still missing
The customer sorting record: which boxes, which layers, the 300 checked identified by box.
One photo with a scale, or a burr height measurement.
Our retained sample from L-26-0714, measured for burr height on the 8 mm bore.
Packing order for the run, if the packing station keeps one.
The delivery list for L-26-0714 across all customers.
Nothing above is a cause. No hypothesis has been tested. D4 starts from section 4.
🗂️8D Report
by Erwan