Root Cause Analysis (RCA) Flashcards
An indicator that something is disrupting an otherwise smooth process
Symptom
The actual disruption/problem in the process
Root Cause
A problem-solving methodology that focuses on resolving the underlying problem instead of applying quick fixes that only treat immediate symptoms of the problem
Root Cause Analysis (RCA)
Path of impact from a Root Cause to Problem or Symptom
The Cause Chain
What are the 8 steps in the Root Cause Analysis (RCA) approach?
Define the Event
Data Collection
Create Problem Statement
Identify Cause and Effect
Create Countermeasures
Verify Solution Success
Deploy Countermeasures
Sustain
80% of effects come from 20% of the causes
Pareto Principle
What are the 3 X 5 Whys?
*Specific: Why did this failure occur?
*Detection: Why didn’t we detect this earlier?
*Systemic: Why did the systems in place allow the failure to occur?
What are the 5Ms?
Man, Method, Machine, Materials, Money
What are the 6Ms?
Man, Method, Measurement, Machine, Mother Nature, Materials
What are the 4Ps?
People, Policies, Procedures, Plant/Place
What are the 3Ms and a P?
Methods, Materials, Machinery, People
What are the 8 Ps?
(recommended for administration and service industry
Price
Promotion
People
Processes
Place/Plant
Policies
Procedures
Product (or Service)
What are the 4 Ss?
(recommended for service industry)
Surroundings, Suppliers, Systems, Skills
What are the 2 Es, Ps, & Ms?
Equipment, Environment
Process, People
Materials, Management
any action taken to offset or neutralize another action –offset the defect; Actions taken to reduce or eliminate root causes; Solution the Problem!
Countermeasures
