Dirty White Spots (IMAGE) Southwest Research Institute Caption The dark regions in this image show the “dirty white spots” sometimes found in nickel alloy engine components, anomalies that can lead to catastrophic failures. SwRI, under a new FAA contract, will develop new inspection methods to ensure anomalies like these are detected during the manufacturing process. Credit FAA Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.