ENS 40402
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ENS Event | |
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23:44 Dec 19, 2003 | |
Title | Unusual Event |
Event Description | At 1844 on 12/19/2003, D.C. Cook Unit 2 received seal injection low flow alarms. Upon investigation, a leak of approximately 30 gpm was identified on the North Seal Injection Filter housing. The abnormal procedure for RCS leakage was entered. An Unusual Event was declared at 1853. A team was dispatched to place the South Seal Injection Filter in service and isolate the North Seal Injection Filter. At 1929, the leak was isolated. The licensee is reviewing UE termination criteria at this time.
The Licensee notified the NRC Resident Inspector.
At 2015 EST on 12/19/03 D.C. Cook terminated the Unusual Event. Notified DIRO (Wessman), R3DO (Kozak), NRREO (Black), NSIR (Weber), FEMA, and DHS. |
Where | |
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Cook Michigan (NRC Region 3) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-4.53 h-0.189 days <br />-0.027 weeks <br />-0.00621 months <br />) | |
Opened: | Bob Branch 19:12 Dec 19, 2003 |
NRC Officer: | Bill Gott |
Last Updated: | Dec 19, 2003 |
40402 - NRC Website
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Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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