T-9 minute hold (45 minutes).
spaceflightnow.com
1446 GMT (10:46 a.m. EDT)
T-minus 9 minutes and holding. Countdown clocks have gone into the planned 45-minute built-in hold. Today's launch remains set for 11:41 a.m. EDT. However, the failed engine cutoff sensor remains an unresolved issue right now.