Event Notification Report for June 20, 2025
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
06/19/2025 - 06/20/2025
EVENT NUMBERS
57772
57772
Power Reactor
Event Number: 57772
Facility: Byron
Region: 3 State: IL
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Dan Szutenbach
HQ OPS Officer: Karen Cotton
Region: 3 State: IL
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Dan Szutenbach
HQ OPS Officer: Karen Cotton
Notification Date: 06/20/2025
Notification Time: 17:21 [ET]
Event Date: 06/20/2025
Event Time: 13:53 [CDT]
Last Update Date: 06/20/2025
Notification Time: 17:21 [ET]
Event Date: 06/20/2025
Event Time: 13:53 [CDT]
Last Update Date: 06/20/2025
Emergency Class: Non Emergency
10 CFR Section:
26.719 - Fitness For Duty
10 CFR Section:
26.719 - Fitness For Duty
Person (Organization):
Zurawski, Paul (R3DO)
FFD Group, (EMAIL)
Zurawski, Paul (R3DO)
FFD Group, (EMAIL)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
| 2 | N | Y | 100 | Power Operation | 100 | Power Operation |
FAILED FITNESS FOR DUTY TEST
The following information was provided by the licensee via phone and email:
"At 1353 CDT on 6/20/2025, it was determined that a supervisor tested positive in accordance with the fitness-for-duty (FFD) testing program. The individual's authorization for site access has been terminated.
"The NRC Resident inspector has been notified."
The following information was provided by the licensee via phone and email:
"At 1353 CDT on 6/20/2025, it was determined that a supervisor tested positive in accordance with the fitness-for-duty (FFD) testing program. The individual's authorization for site access has been terminated.
"The NRC Resident inspector has been notified."