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Root Cause Analysis

How deep did you go? The answer decides whether it happens again.

Every organisation says it does root cause analysis. Most stop at the first answer that sounds reasonable. We keep going, with evidence, until we reach the control that failed, because that is the only level where the fix protects the next person.

SYMPTOMOperator injured hand in a press
IMMEDIATE CAUSEGuard was open
CONDITIONInterlock bypassed with tape
BASIC CAUSENuisance trips slowed output; bypasses tolerated
CONTROL GAPNo interlock checks; targets override safety

Bars show how well a fix at each depth prevents a repeat.

Choose your depth

An injury in a power press. Where do you stop?

Pick a depth. See the action it leads to and whether the injury is likely to happen again. Illustrative example.

THE FINDING

Operator injured his hand in a power press.

THE ACTION IT LEADS TO

Warning letter and a talk on being careful.

PROTECTION AGAINST A REPEATAlmost certain to recur
Power press in a metal fabrication workshop

Since the 1990s

30

years investigating

250+

investigations closed, incl. HiPOs

15

countries served

20+

countries of lead seminars

100+

nationalities trained

Root cause analysis worked through on a whiteboard
From the symptom down to the control gap.

What real RCA delivers

One investigation protects every similar machine.

1

Fixing the control gap protects every press, every shift and every operator, not just the one involved.

2

It turns a costly incident into a system improvement leadership can see.

3

It gives insurers, buyers and regulators a credible account instead of a warning letter.

Use it for

Any serious incident or repeated problem

Quality, safety, service and business losses

Building your own investigation capability

On its own it cannot

Work without evidence

Be done properly in a single meeting

So we pair it with

The P3i Causation Model →Method Selection →RCA training (5 days) →

Method names are given for reference. Several are proprietary or trademarked; P3i selects the approach that suits each case and does not claim licensed certification in proprietary methods.

Machine guard interlock examined
The interlock that kept tripping.
Production targets board on a factory wall
The pressure behind the bypass.
Findings presented to plant leadership
The action that protects every press.

Your last RCA stopped at a warning letter? A first call costs nothing, and we will tell you how deep it should go.

Talk to an investigator WhatsApp

The P3i approach

How we investigate to the root, not the symptom. Fact-finding, not fault-finding.

Every P3i investigation is led by a senior investigator and supported by internationally qualified process specialists. You will not receive a list of people to blame, or a long list of generic actions. You will receive the facts, the proven causes, and a short plan that closes the gaps, in this case and across your system.

Independent

No products, repairs or contracts to sell you afterwards.

Senior-led

Thirty years of investigation, from the first call to the final briefing.

Beyond the event

Process specialists find the other cracks before they fail.

Ready to present

Written for boards, buyers, insurers and regulators.

How P3i does it for you

  1. 01

    Scope it honestly

    What happened, what it cost, what is at stake.

  2. 02

    Collect the evidence

    Site, records and private interviews.

  3. 03

    Analyse with the right tools

    Chosen for the case.

  4. 04

    Reach the control gap

    The weakness that will produce the next event.

  5. 05

    Fix and verify

    A short plan, and a check that it worked.

What you receive

Verified timelineRoot causesControl gapsWhere else they existAction planEffectiveness check

Call us when

You need a proper RCA, not a formProblems return after every fixA customer or regulator wants a reportYou want to train your own team

Free 30-minute case assessment.

Tell us what happened. In confidence, we will tell you what the investigation should cover, how long it will take and what to preserve today.

Questions

What clients ask about RCA.

What makes an RCA "root"?

It reaches a control the organisation can change, such as an inspection, a design, a procedure or a target, rather than stopping at a person.

Which methods do you use?

We choose for the case: timelines, change and barrier analysis, why trees, fishbones, fault trees and human factors, often in combination.

Can you review an RCA our team already did?

Yes. We test whether the evidence supports the conclusions and show where it should go deeper.

Do you train teams in RCA?

Yes. Our Incident Investigation & Root Cause Analysis course is five days, with an optional sector module.

Go to the root. Protect the next person.

Discuss a caseTrain your team in RCA
Investigator examining a press guard on site
Evidence at the machine, not in the office.
Tape found on a bypassed safety switch
The condition behind the injury.