The reactor scrammed from 100% power due to fluctuations occurring on the main generator and a loss of off site power. All rods fully inserted and all
MSIV's closed. Reactor level is being maintained in the normal band of 173 to 214 inches using
RCIC. Reactor pressure is being controlled via
SRV's in lo-lo set mode between 905 and 1017 psig. Isolations occurred as expected for level 2 and level 3.
HPCI and
RCIC started on level 2 signal.
HPCI has been shutdown but is available. All 4
EDG's started and loaded.
The NRC Resident Inspector was notified.
- * * UPDATE ON 08/15/03 AT 1754EDT BY ERIC SORG TAKEN BY MACKINNON * * *
Unusual Event terminated at 1348 EDT on 08/15/03.
R3DO (Sonia Burgess),
NRR EO (Stu Richards) &
FEMA (
Bob Caldwell) notified.