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What is it: PAR (Preventive Action Request) is a procedure used for the prediction of future problems or actions that are taken to eliminate a 'potential root cause' (may occur) to a potential problem that has not occurred. Or PAR are actions taken to eliminate a 'potential root cause' to a potential problem that has not occurred.

From ISO guidelines, PAR is stated as an action to eliminate the cause of a potential nonconformity or other undesirable potential situation.

  1. There can be more than one cause for a potential nonconformity.
  2. Preventive action is taken to prevent occurrence whereas corrective action is taken to prevent recurrence.

CAR and PAR actions are two separate and independent processes. The Manufacturing Quality plans should include prevention (PAR) of the occurence in the first instance and then the corrective action (CAR) in case of a reported non conformance.

  • CAR prevents a RECURRANCE.
  • PAR prevents an OCCURRANCE

Rememeber, preventive action is too late if there has already been a problem. Any actions taken to eliminate the cause of existing problems are corrective actions, while preventive action is not applicable.

Why use it: PAR is to imagine the worst case scenarios involving product/processes and act on them before they occur.

Where to use it: PAR is being proactive. You see that a process may have a weakpoint. Therefore you write a preventive action to make others aware potential breakdown in your system that might have been high lighted from an audit report.

When to use it: The use of a PAR report is initiated with observing conditions that may start a problem and removing them from the system. With the CAR the cause is known and addressed directly, with PAR only the potential is known, so you address somthing that could occur rather than that which is occuring. Preventive action is an ongoing, positive and deliberate search for trouble, where you don’t have reason to suspect there is any.

How to use it: PAR is predictive (a problem *may* occur based upon analysis of data). In preventive action, we are dealing with things that didn't happen yet. The fundamental tools are PDPC (process decision program chart) and FMEA. Thus preventive action is usually triggered while the product and/or process are in their design phase, however internal audits may also discover potential problems in the current process.. PAR from ISO guidelines must explain how you:

  • Review potential problems (Identification of potential problems)
  • Decide the potential cause of the problem
  • Decide an appropriate course of action to stop the problem occurring (Preventive action)
  • Put the plan into action
  • Ensure that the preventive action has solved the potential problem

Important Notes:

  • PAR is not detection, to detect something there has to be something (a defect?) to detect. If it hasn't happened yet, you can't detect it
  • Evaluation of effectiveness of actions taken for PAR is an integral part of both the processes
  • Always reference a PAR report for ease of retrieval and to meet internal quality auditioning requirements

  Name
Format
Preview (Click to enlarge)
  Preventive Action Request (PAR) Template
Microsoft Excel Format
Microsoft Excel
Format
Parventative Action Request
USD $9.95
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