T-0 now NET 11:15 UTC.
Abort was called due to the upper stage LO2 F/D valve not closing within the expected 10 seconds, it never closed at all. Anomaly Team discussing this right now, no estimate when they'll report out or when a new T0 can be coordinated with the ETR.Preliminary information says the countdown script aborted due to an indicator on the upper stage liquid oxygen fill and drain valve.