How to read the examples
- Each section shows a weak excerpt, the kind of wording that often gets a pack sent back, and a stronger rewrite of the same fictional case.
- “Stronger” means more complete and easier to check. It does not mean a customer would accept it; only your customer decides.
- Look at the pattern under each pair: what the stronger version adds, not the exact words.
D2–D7 paired excerpts
D2 · Problem description
Weak (fictional example)
“Customer complaint about loose clips on part TC-BH-4412. Quality issue under investigation.”
Stronger (fictional example)
“Clips TC-BH-4412 from lot L260302A (delivery note DN-78441, 4,800 pcs) did not retain the brake hose at the customer’s assembly station. Customer sorted one tote of 500 pcs: 37 NOK. Opening width above the upper limit of 12.40 ± 0.15 mm (drawing Rev C).”
Why it reads stronger: What, where, when, how many, how detected, and the requirement not met — no cause yet.
D3 · Containment
Weak (fictional example)
“All stock blocked and sorted. Containment complete.”
Stronger (fictional example)
“FG stock 12,400 pcs on hold in ERP from 12 Mar, 14:30. 100% digital caliper check of opening width: 12,400 checked, 31 NOK scrapped. No parts in transit (ASN closed). Break point: lot L260309B onward, labels marked with a green dot.”
Why it reads stronger: Every location, quantity checked and NOK, method, and an identifiable break point.
D4 · Root cause
Weak (fictional example)
“Root cause: operator carelessness during die setup. Escape: final inspection did not notice. Method: team discussion, see fishbone.”
Stronger (fictional example)
“Occurrence: setup sheet SS-PD-07 Rev A did not require a first-piece measurement of opening width after a die change; setup record SR-260302 shows the change with no first-piece record. Reproduced on trial: forming station shim omitted → opening width 12.61 mm; shim restored → 12.38 mm. Escape: inspection instruction IP-CLIP-12 Rev B required an attribute feel-check only, which cannot resolve ±0.15 mm; the characteristic was not a measured check on the control plan.”
Why it reads stronger: Two labeled causes, each tied to a named document, with evidence in the text.
More on these sections: 8D containment actions examples, how to write D4 root cause, the escape point in 8D, and why “operator error” fails as a root cause.
Does your D4 read like the weak column? Paste your draft or the sample and get a free Accept / Conditional / Reject advisory with the gaps named.
8D Gate is a free pre-send readiness advisory. It doesn't replace the customer's decision. We don't store your 8D body in our database; you can delete anytime. Anthropic processes the text for the review.
D5 · Permanent corrective actions
Weak (fictional example)
“Retrain operators on careful setup. Remind inspectors to check carefully.”
Stronger (fictional example)
“CA1 (occurrence): SS-PD-07 Rev B adds a measured first-piece check of opening width after every die change; the press does not release without the record (owner: process engineering, due 25 Mar). CA2 (escape): opening width added to control plan as a digital measurement, 5 pcs per hour (owner: quality, due 25 Mar).”
Why it reads stronger: One action per verified cause, each changing the process or detection, with owner and date.
D6 · Verification of effectiveness
Weak (fictional example)
“No further complaints since training. Actions are effective.”
Stronger (fictional example)
“After CA1/CA2 (from 26 Mar): 6 consecutive lots measured, all within 12.40 ± 0.15 mm. Challenge test: 5 known oversize parts fed to the new check, 5 detected. 100% sort stays until 30 days of production without NOK at the new check.”
Why it reads stronger: Results after the change, a detection challenge, and a stated condition for ending containment.
D7 · Prevent recurrence
Weak (fictional example)
“Lessons learned shared in monthly meeting. Similar parts will be reviewed.”
Stronger (fictional example)
“Updated: PFMEA PF-CLIP-03 (detection re-rated), control plan CP-CLIP-12 Rev D, IP-CLIP-12 Rev C, SS-PD-07 Rev B. Read-across: the 3 other clips made on the same die family received the same first-piece check (list attached and summarized in this section).”
Why it reads stronger: Named documents with revisions and a concrete read-across list.
Notice how the weak D5 and D6 follow from the weak D4: when the cause is a person, the action is training and the proof is silence. Fix D4 first and the later sections get easier to write.
What still must match your customer’s form
The excerpts follow common 8D practice. Your customer’s template and CSRs decide the details:
- Field names and order (some forms say “ICA” for D3 or “non-detection cause” for escape).
- Deadlines for initial containment and for the full report.
- Required attachments, photos, and data formats.
- Whether the customer must agree before containment is removed or the 8D is closed.
For a scannable list of gaps by section, see why customers reject supplier 8D reports. If your 8D has already come back from the customer, see 8D rejected? What to do next.
Want a blank form with the same evidence prompts? Download the English 8D template (.docx).
Get the free 8D / D4 checklist
Keep the one-page version next to your own draft and check it line by line before you send.
Get the free 8D / D4 checklist
Run your draft through 8D Gate
Reading examples helps. Checking your own pack against them is the step that matters before you send.
Paste text or upload PDF, DOCX, or Excel. You get an Accept / Conditional / Reject advisory, a score, section ratings, missing evidence, and questions to close gaps, with a PDF download. It is a pre-send readiness check for your team, not a customer decision.
8D Gate is a free pre-send readiness advisory. It doesn't replace the customer's decision. We don't store your 8D body in our database; you can delete anytime. Anthropic processes the text for the review.
FAQ
- Is this a real 8D report?
- No. The part, lots, document numbers, quantities, and dates are invented for teaching. Use the structure, not the numbers.
- Can I copy the stronger wording?
- Copy the pattern: named document, specific gap, evidence. The facts must come from your own records, or the report will contradict your attachments.
- Why are D1 and D8 not shown?
- They are rarely where the content gaps are. Still name the team with roles in D1, and in D8 propose closure only when the open items in D3–D7 are closed.