Event Notification Report for October 09, 2021
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
10/08/2021 - 10/09/2021
EVENT NUMBERS
55513
55513
Power Reactor
Event Number: 55513
Facility: Turkey Point
Region: 2 State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Ryan Frank
HQ OPS Officer: Howie Crouch
Region: 2 State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Ryan Frank
HQ OPS Officer: Howie Crouch
Notification Date: 10/09/2021
Notification Time: 07:27 [ET]
Event Date: 10/09/2021
Event Time: 03:00 [EDT]
Last Update Date: 10/09/2021
Notification Time: 07:27 [ET]
Event Date: 10/09/2021
Event Time: 03:00 [EDT]
Last Update Date: 10/09/2021
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation
10 CFR Section:
50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation
Person (Organization):
MILLER, MARK (R2)
MILLER, MARK (R2)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 3 | N | N | 0 | Hot Standby | 0 | Hot Standby |
EN Revision Imported Date: 11/9/2021
EN Revision Text: AUXILIARY FEEDWATER SYSTEM AUTO-STARTED ON FEEDWATER ISOLATION SIGNAL
"At 0300 EDT, with Unit 3 in Mode 3 at 0 percent power, an actuation of the Auxiliary Feedwater System occurred when steam generator water level rose to 80 percent causing a Feedwater Isolation signal, which tripped the last remaining Steam Generator Feed Pump during plant cooldown. The Auxiliary Feedwater System automatically started as designed when the feedwater isolation signal was received.
"This event is being reported pursuant to 10 CFR 50.72(b)(3)(iv)(A).
"The NRC Resident Inspector has been notified."
The cause of the high steam generator level is under investigation.
EN Revision Text: AUXILIARY FEEDWATER SYSTEM AUTO-STARTED ON FEEDWATER ISOLATION SIGNAL
"At 0300 EDT, with Unit 3 in Mode 3 at 0 percent power, an actuation of the Auxiliary Feedwater System occurred when steam generator water level rose to 80 percent causing a Feedwater Isolation signal, which tripped the last remaining Steam Generator Feed Pump during plant cooldown. The Auxiliary Feedwater System automatically started as designed when the feedwater isolation signal was received.
"This event is being reported pursuant to 10 CFR 50.72(b)(3)(iv)(A).
"The NRC Resident Inspector has been notified."
The cause of the high steam generator level is under investigation.