The document describes a big data analytics solution developed for a leading spare part manufacturing company facing $500 million in revenue loss due to fraudulent warranty claims. The solution, built with Golang, Python, and Hadoop, analyzes 2 PB of structured and unstructured data to identify patterns in product complaints and vehicle breakdowns. As a result, 937 fraudulent vendors were identified, claims against poor quality products decreased by 50%, and the company saved $250 million in false claims, significantly improving profit margins.