ENS 55527
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ENS Event | |
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10:28 Oct 16, 2021 | |
Title | Unusual Event Declared Due to a Fire in the Protected Area |
Event Description | [An] Unusual Event [was declared] due to a fire in the protected area not extinguished in less than 60 minutes.
Main power transformer 3 faulted, the unit auto scrammed, all rods are in. The fire went out at 0622 CDT. [The licensee] is monitoring for re-flash. The unit automatically scrammed and all rods fully inserted. Decay heat removal is through the condenser. Unit 2 is unaffected and remains at 100 percent power. The licensee notified the NRC Resident Inspector and R3 Branch Chief (Riemer). Notified DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), and DHS Nuclear SSA (email).
The Unusual Event was terminated at 0709 CDT. Notified R3DO (Pelke), NRR EO (Felts), IR MOC (Kennedy), DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), and DHS Nuclear SSA (email). |
Where | |
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Dresden Illinois (NRC Region 3) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-3.1 h-0.129 days <br />-0.0185 weeks <br />-0.00425 months <br />) | |
Opened: | Jory Hansen 07:22 Oct 16, 2021 |
NRC Officer: | Bethany Cecere |
Last Updated: | Oct 16, 2021 |
55527 - NRC Website
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Unit 3 | |
---|---|
Reactor critical | Critical |
Scram | A/R |
Before | Power Operation (100 %) |
After | Hot Standby (0 %) |
WEEKMONTHYEARENS 555272021-10-16T10:28:00016 October 2021 10:28:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to a Fire in the Protected Area ENS 520462016-06-27T15:50:00027 June 2016 15:50:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Dresden Unit 3 Declares Alert ENS 470542011-07-15T15:16:00015 July 2011 15:16:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to Toxic Gas Release Restricting Access to a Vital Area ENS 408442004-06-28T06:15:00028 June 2004 06:15:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Earthquake Felt at the Site ENS 407272004-05-05T18:27:0005 May 2004 18:27:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to Loss of Offsite Power 2021-10-16T10:28:00 | |
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