Automatic trip of Reactor Coolant Pump 1-2 due to an electrical differential current fault resulted in an
RPS actuation on Flux/Delta Flux/Flow. Startup
Feedwater Valve 1 did not respond as expected post-trip and has been placed in manual control. All secondary side steam reliefs initially re-seated following
reactor trip. Subsequent
Main Steam Line #1 Safety Valve leakage mitigated during post-trip recovery actions. All other systems have functioned as expected. The plant is stable in Mode 3 - Hot Standby.
All rods inserted into the core during the trip. Decay heat is being removed via turbine bypass valves to the main condenser with normal feedwater to the steam generators. The plant is in its normal shutdown electrical lineup. The licensee characterized the trip as uncomplicated.
The licensee will be notifying Lucas and Ottawa counties, the State of
Ohio and will be issuing a press release. They have notified the NRC Resident Inspector.
