What is A3 Problem Solving
The name “A3” is actually derived from a standard European paper size similar to 11” by 17”. The A3 Report is based upon the Plan, Do, Check, Act (PDCA) Method. The PDCA process is sometimes referred to as the Deming Wheel or Deming Circle. The A3 Report incorporates this basic premise to problem solving and continuous improvement.
Plan
Define the Problem:
The first step is to define the problem or identify the need for improvement:
Define the ideal state, the operational standard or the desired condition
Describe the current situation or status
Identify the Gap or problem
How is the current status different from the desired state or operational standard?
State your goals and explain how performing the A3 and closing the gap would benefit the organization
What value will be realized by completion of the A3 exercise?
Containment:
In some A3 formats, a section is included for immediate countermeasures or containment actions. The purpose of containment is to prevent further problems from occurring or prevent the current problem from causing negative effects to other processes, products or departments.
Breakdown the Problem:
Next, the team should breakdown or further define the problem. Ask any relevant 5W (What, When, Where, Who, Why) and 2H (How, How many / How often) questions. There also may be more than one issue contributing to the problem or more detail required to properly address the problem. Prioritize the issues and identify the point of occurrence or escape point.
Define goals:
The A3 team should set goals regarding the improvement desired as a result of the exercise. This could include a percentage of improvement in process throughput, reduction in number of defects per unit or processing time. The goals should be specific, measureable, realistic, achievable and timely. Many companies are adopting the SMART goal approach.
Root Cause Analysis:
The team should perform a Root Cause Analysis (RCA) of the problem by using various quality tools. The tools could include, but are not limited to data analysis or completing a Cause and Effect or Ishikawa diagram followed by a 5 Why exercise. Whatever method selected, it is important to get past the symptoms of the problem and down to the root cause.
Countermeasures:
Permanent countermeasures or corrective actions must then be determined to address the root cause. The countermeasures must be clearly defined, achievable by the person responsible and have a due date. Corrective actions that do not have an owner or due date are seldom achieved.
Do
Implementation:
A plan for implementation of the corrective actions should be developed. The plan should include the team members, resources and time required to complete each task. In some cases, support from outside resources or test facilities are required. Some countermeasures may require repair or replacement of tooling or other capital expenditures. Therefore, proper levels of management should be kept informed throughout the process to assure adequate resources are available for implementing any corrective actions.
Check
Monitoring and Validation:
The A3 team should next confirm the effectiveness of the countermeasures. This can be accomplished in many ways, including but not limited to additional quality checks, Statistical Process Control (SPC) data, process or product audits and customer feedback.
Act
Standardize and Improve:
During this phase of the A3, the team should take action to standardize the process changes or improvements. The team must update all standard work, work instructions and process control plans, etc. In addition, it is a good practice to perform a short Things Gone Right / Things Gone Wrong (TGR/TGW) exercise and document in the A3 report what went well during the process and what could use improvement. The management team should also promote continuous improvement of the A3 tool within the organization.
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