Answer
Corrective action | Preventive Action | |
1. | It is the action taken to eliminate the cause of an existing NC, defect or other undesirable sitatn in order to prevent recurrence. | It is the action taken to eliminate the cause of a potential NC, defect or other undesirable sitautn in order to |
2. | The root cause is identifd & necessary action such as changes in procedures & systems are taken | Root Cause Analysis are to discover possible failure |
3. | It focuses on an event that happnd or an existing problem. E.g. a superintendent during his periodic inspection, notices that a critcl maintenance routine has not been done as per maker’s recommended The action taken to ensure that it is done correctly this time & every time after this is a CA. | It focuses on process control & not on past events. E,g. a company has been using a ppr based system for its Here loss of records & data entry errs are a potential rsk. Based on industry wide study company decides to use a software to reduce rsks, it is PA |
4. | The problem is eliminated after it has occurred & steps are taken to avoid reccrnce. | This is taken to stop a potential problem from occurring in the 1st place. |