https://wccftech.com/spacex-surprised-by-high-liquid-oxygen-levels-in-rocket-prior-to-nasa-crew-launch/

The Crew Dragon Endeavor at NASA's Launch Complex 39A in the Kennedy Space Center in Florida. Image: NASA

Space Exploration Technologies Corp.'s (SpaceX) vice president of build and reliability, Mr. Willian Gerstenmaier, stated today that his company discovered excess levels of oxidizer on the first stage of its Falcon 9 rocket. The anomaly was discovered during a test abort in Texas, explained the executive, whose company is now further investigating the issue.