Running a defect elimination programme
A defect elimination programme systematically removes the recurring failures that drive maintenance workload, using root-cause analysis to fix causes rather than symptoms. Instead of repeatedly repairing the same breakdowns, the plant invests in understanding and eliminating why they keep happening.
What it is
Defect elimination targets the chronic, repeating failures — the bad actors — that consume a disproportionate share of maintenance effort. It applies root-cause analysis to each, then changes design, operation or maintenance to stop the failure recurring, converting reactive repair into permanent fixes.
Why it is done
A large fraction of maintenance work is rework on the same recurring faults. Eliminating their causes reduces breakdowns, frees maintenance capacity and improves reliability far more durably than ever-faster repairs. It shifts the organisation from reacting to failures to preventing them.
How it is done
Failure data is analysed to rank the worst recurring offenders by cost and frequency. Each is investigated with root-cause analysis to find the true cause — design, material, operation or maintenance. A corrective action is implemented and its effect verified by watching whether the failure recurs, and lessons are shared to prevent the same defect elsewhere.
- Rank bad actors
- Root-cause analysis
- Find true cause
- Implement fix
- Verify recurrence stops
- Share lessons
What to watch for
Stopping at the proximate cause — replacing the broken part without asking why it broke — guarantees the failure returns. Investigating without verifying that the fix actually stopped recurrence leaves the loop open.
Related practices
Transitioning to condition-based maintenance
Rolling out reliability-centred maintenance
Running an asset criticality ranking exercise
Related topics
Root Cause Analysis (RCA) · Asset Criticality
Common in: Power Generation · Chemicals · Steel & Metals · Cement · Paper & Packaging · Food Processing