Systematic Problem Solving – Why Treating a Symptom Is Not a Solution

When a failure occurs, it is easy to focus on what we see: the part that failed, the deviation that was measured, or the customer complaint. But the symptom is not always the problem – and certainly not necessarily the cause of it. Effective problem solving requires transitioning from immediate reaction to a systematic process based on facts, data, and root cause investigation. The goal is not just to get the process back to work. The goal is to understand what really happened, why it happened, and what needs to change so the problem does not recur. ## Step One – Define the Problem Correctly One of the common mistakes in the problem-solving process is starting to look for solutions before the problem itself has been well-defined. "There is a quality issue" is not a problem definition. "There are many failures" is also insufficient. A good definition should attempt to answer questions such as: What happened? Where? When? How often? What is the scope of the phenomenon? And what has changed? The more accurate the definition, the better you can focus the investigation. ## Facts Before Assumptions When a team is very familiar with a product or process, they can quickly arrive at an explanation that sounds logical. "The supplier changed something." "The operator made a mistake." "The machine was not calibrated." Each of these possibilities could be true – but at the investigation stage, it is still just a hypothesis. Professional problem solving distinguishes between: what we know and what we think happened. This distinction is critical to avoid building a corrective action on an unverified assumption. ## Use Data to Choose Where to Focus When there are many problems, it is not always possible to investigate all of them with the same depth. Tools like Pareto can help identify which categories generate a significant portion of the incidents and prioritize improvement activities. But Pareto does not reveal the cause. It helps us choose which problem to investigate first. ## The Symptom Is Not the Root Cause Suppose a product fails a leak test. "The product is leaking" is a description of the result. Even "The seal was installed incorrectly" might be just another step along the way. Why was it installed incorrectly? Does the design allow for improper installation? Is there variation in the component? Are the work instructions unclear? Is there a lack of mistake-proofing (poka-yoke)? Root cause investigation attempts to reach the point where a change in the system can prevent the recurrence of the event. The practical tools that drive this investigation – 5 Whys and Fault Tree Analysis – are covered in the article 5 Whys and Fault Tree Analysis. ## Do Not Jump to Solutions In organizations, there is sometimes a natural pressure to quickly present "Action Items." But quick action is not necessarily the right action. Additional training, extra inspection, or a procedure change might look like a good response – but if they do not address the factor that created the problem, the failure might return. Therefore, the order is important: Define → Investigate → Verify → And only then choose a solution. ## What Do You Do In the Meantime? Sometimes you cannot wait for the investigation to finish. If there is a danger that the problem will reach the customer or continue to affect production, you perform a Containment action. For example, full inventory sorting, stopping a shipment, or temporary inspection. Containment action protects the organization and the customer during the investigation. But you must not confuse it with a permanent solution. ## From Solution to Corrective Action After identifying and verifying the root cause, a corrective action can be chosen. The transition from containment actions to a Permanent Corrective Action emphasizes the need to verify the action and monitor its effectiveness. This is a critical point: It is not enough to take action – you need to know it worked. ## How Do You Know the Problem Is Really Solved? The way is not to just ask if the task was closed in the system. You must go back to the data. Did the failure return? Has the failure rate dropped? Has the process improved? Is the result sustained over time? If not – it is possible the root cause was not identified correctly or the chosen action is insufficient. ## From One Problem to Broad Learning After solving the problem, it is worth asking another question: Where else could this happen? It is possible that the same failure mechanism exists in another product, another line, or with another supplier. Therefore, good problem solving can lead to updating the FMEA, control plan, work instructions, or Lessons Learned. Thus, a point-in-time event becomes an opportunity for system improvement and also connects to the 8D methodology for structured problem solving. --- ## In Summary Systematic problem solving does not start with a solution. It starts with the correct definition of the problem, the separation of facts from assumptions, data collection, and root cause investigation. Only then can you choose an action, implement it, and check if it was effective. The goal is not to close the incident as quickly as possible – but to ensure that we will not have to solve the same problem again in a month. ### Dealing with Recurring Problems in Processes or Products? ALD Advanced Solutions supports organizations in problem solving, Root Cause Analysis, 8D, FMEA, corrective actions, and process improvement. For a professional consultation with the ALD team