Event Notification Report for October 26, 2023

U.S. Nuclear Regulatory Commission
Operations Center

10/25/2023 - 10/26/2023

Power Reactor
Event Number: 56813
Facility: Turkey Point
Region: 2     State: FL
Unit: [3] [] []
RX Type: [3] W-3-LP,[4] W-3-LP
NRC Notified By: Richard Jackson
HQ OPS Officer: Michael Bloodgood
Notification Date: 10/25/2023
Notification Time: 01:12 [ET]
Event Date: 10/24/2023
Event Time: 21:59 [EDT]
Last Update Date: 10/25/2023
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
Person (Organization):
Miller, Mark (R2DO)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
3 A/R Y 100 Power Operation 0 Hot Standby
Event Text

The following information was provided by the licensee via email:

"At 2159 on 10/24/2023, with Unit 3 in Mode 1 at 100 percent power, the reactor was automatically tripped due to an actuation signal into the Unit 3 reactor protection system protection rack during maintenance. The trip was uncomplicated with all systems responding normally post trip. Decay heat is being removed via auxiliary feed water system and the steam dump system. Unit 4 is not affected.

"This event is being reported pursuant to 10CFR50.72(b)(2)(iv)(B) and 10CFR50.72(b)(3)(iv)(A). The NRC Resident Inspector has been notified.

"The cause of the automatic reactor trip will be investigated by the licensee."