Event Notification Report for June 29, 2017
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
06/28/2017 - 06/29/2017
EVENT NUMBERS
52833
Power Reactor
Event Number: 52833
Facility: SUMMER
Region: 2 State: SC
Unit: [1] [] []
RX Type: [1] W-3-LP,[2] W-AP1000,[3] W-AP1000
NRC Notified By: BETH DALICK
HQ OPS Officer: JEFF HERRERA
Region: 2 State: SC
Unit: [1] [] []
RX Type: [1] W-3-LP,[2] W-AP1000,[3] W-AP1000
NRC Notified By: BETH DALICK
HQ OPS Officer: JEFF HERRERA
Notification Date: 06/29/2017
Notification Time: 12:43 [ET]
Event Date: 06/29/2017
Event Time: 08:57 [EDT]
Last Update Date: 06/29/2017
Notification Time: 12:43 [ET]
Event Date: 06/29/2017
Event Time: 08:57 [EDT]
Last Update Date: 06/29/2017
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL 50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL 50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION
Person (Organization):
JONATHAN BARTLEY (R2DO)
JONATHAN BARTLEY (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | A/R | Y | 100 | Power Operation | 0 | Hot Standby |
AUTOMATIC TRIP DUE TO A LOSS OF NORMAL FEEDWATER FLOW TO B STEAM GENERATOR
"On 6/29/2017 at 0857 [EDT], VC Summer Nuclear Station automatically tripped due to a loss of normal feed water flow to the B Steam Generator.
"There were no complications with the trip. All control rods fully inserted. All emergency feedwater pumps automatically started and recovered steam generator levels.
"The plant is stable in Mode 3. Station personnel are investigating the cause of the loss of normal feedwater to the B Steam Generator. This is reportable per 10 CFR 50.72(b)(2)(iv)(B) and 10 CFR 50.72(b)(3)(iv)(A).
"The NRC Resident Inspector has been notified."
The licensee notified the State of South Carolina as well as Fairfield, Lexington, Richland and Newberry Counties regarding the event.
"On 6/29/2017 at 0857 [EDT], VC Summer Nuclear Station automatically tripped due to a loss of normal feed water flow to the B Steam Generator.
"There were no complications with the trip. All control rods fully inserted. All emergency feedwater pumps automatically started and recovered steam generator levels.
"The plant is stable in Mode 3. Station personnel are investigating the cause of the loss of normal feedwater to the B Steam Generator. This is reportable per 10 CFR 50.72(b)(2)(iv)(B) and 10 CFR 50.72(b)(3)(iv)(A).
"The NRC Resident Inspector has been notified."
The licensee notified the State of South Carolina as well as Fairfield, Lexington, Richland and Newberry Counties regarding the event.