Gen. David Goldfein has told the San Antonio Express-News that the service has figured what is wrong with the onboard oxygen generation system (OBOGS) on the T-6A.
By Cory W. Watts from Madison, Wisconsin, United States of America (Raytheon T-6 Texan II) [CC BY-SA 2.0], via Wikimedia Commons
Goldfein however refused to disclose the cause and what corrections are being made to resolve the issue.
He did say that the T-6A community will be briefed within the next two weeks on the issue and what steps will be taken.