Pfizer Investigation Specialist Interview Questions and Answers

Q1. How you start investigation when you know that the product have repetitive failure.
Ans. 
I would start by analyzing the root cause of the repetitive failures and implementing corrective actions.
• Conduct a thorough review of past failure reports and data

• Identify common patterns or trends in the failures

• Investigate potential causes such as design flaws, manufacturing defects, or external factors

• Implement corrective actions to address the root cause of the failures

• Monitor the product performance post-implement
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Q2. Which investigation tool you basicaly used to arrive on ROOT cause.
Ans. 
I primarily use the 5 Whys technique to identify the root cause of an issue.
• Start by asking 'Why?' multiple times to dig deeper into the underlying causes of the problem.

• Focus on identifying the systemic issues rather than just surface-level symptoms.

• Use data and evidence to support each 'Why?' question.

• Continue the process until you reach a root cause that can be addressed effectively.

• Examples: Why did the machine bre...read more
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Q3. What will be impact assessment when you know the material is contributed for products failure.
Ans. 
The impact assessment will involve evaluating the extent of the material's contribution to the product failure and determining the necessary corrective actions.
• Conduct a thorough analysis of the material's properties and how they may have affected the product's performance.

• Assess the potential risks and liabilities associated with the product failure caused by the material.

• Identify any regulatory or compliance issues t...read more
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Q1. What about you self
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Q2. Job profile and experienced
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Q3. One example which to be completed by you without any team members support.
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Invalid OOS, valid OOS no root cause

Q1. Investigation approach
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