Event Notification Report for April 15, 2023
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
04/14/2023 - 04/15/2023
EVENT NUMBERS
56474
56474
Power Reactor
Event Number: 56474
Facility: Turkey Point
Region: 2 State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Jose Vasquez
HQ OPS Officer: Bill Gott
Region: 2 State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Jose Vasquez
HQ OPS Officer: Bill Gott
Notification Date: 04/18/2023
Notification Time: 03:56 [ET]
Event Date: 04/15/2023
Event Time: 11:12 [EDT]
Last Update Date: 04/18/2023
Notification Time: 03:56 [ET]
Event Date: 04/15/2023
Event Time: 11:12 [EDT]
Last Update Date: 04/18/2023
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(ii)(A) - Degraded Condition
10 CFR Section:
50.72(b)(3)(ii)(A) - Degraded Condition
Person (Organization):
Miller, Mark (R2DO)
Miller, Mark (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 3 | N | N | 0 | Refueling | 0 | Refueling |
RCS PRESSURE BOUNDARY DEGRADED
The following information was provided by the licensee via email:
"At 1112 EDT on 4/15/23, it was determined that the [reactor coolant system] RCS pressure boundary does not meet ASME Section XI, Table IWB-341 0-1, `Acceptable Standards,' due to through wall leak of the flux mapper seal table guide tube H-6. Corrective actions have been scheduled. `This event is being reported pursuant to 10 CFR 50.72(b)(3)(ii)(A).
"A follow-up review of the condition revealed that 10 CFR 50.72 notification was applicable within 8 hours of the time of discovery on 04/15/23.
"The NRC Resident Inspector has been notified."
The following information was provided by the licensee via email:
"At 1112 EDT on 4/15/23, it was determined that the [reactor coolant system] RCS pressure boundary does not meet ASME Section XI, Table IWB-341 0-1, `Acceptable Standards,' due to through wall leak of the flux mapper seal table guide tube H-6. Corrective actions have been scheduled. `This event is being reported pursuant to 10 CFR 50.72(b)(3)(ii)(A).
"A follow-up review of the condition revealed that 10 CFR 50.72 notification was applicable within 8 hours of the time of discovery on 04/15/23.
"The NRC Resident Inspector has been notified."