When a supply manager finds safety deficiencies in a supplier's plant, the first step should be to collaborate with the supplier to improve the working conditions. This approach is aligned with leadership and transformation management principles that emphasize building long-term, mutually beneficial relationships with suppliers. Working with the supplier fosters trust and cooperation, ensuring that both parties are committed to achieving safety standards and improving overall operations. Reference from leadership documents highlight the importance of supporting suppliers in meeting compliance requirements and enhancing their capabilities, which ultimately strengthens the entire supply chain. This method is preferred over immediately seeking alternatives or enforcing penalties, as it prioritizes continuous improvement and partnership development.