ENS 46443
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ENS Event | |
|---|---|
19:55 Dec 1, 2010 | |
| Title | Unusual Event Declared Due to Excessive Rcs Leakage from "B" Recirc Pump Seal |
| Event Description | Oyster Creek has declared an Unusual Event (MU7) due to Reactor Coolant System leakage greater than 10 gpm. Leakage has been determined to be from the 'B' reactor recirculation pump seals. The 'B' Reactor Recirculation Loop was isolated and leakage stopped.
The plant remained in the normal electrical lineup and no safety systems actuated during this evolution. The licensee notified the NRC Resident Inspector.
At 1537 EST, "Oyster Creek has terminated from an Unusual Event. Event terminated due to isolating leakage from the 'B' Reactor Coolant Loop. The licensee notified the NRC Resident Inspector. Notified R1DO (Schmidt), IRD (Gott), NRR EO (Nelson), DHS and FEMA. |
| Where | |
|---|---|
| Oyster Creek New Jersey (NRC Region 1) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-4.68 h-0.195 days <br />-0.0279 weeks <br />-0.00641 months <br />) | |
| Opened: | Eric Swain 15:14 Dec 1, 2010 |
| NRC Officer: | Eric Simpson |
| Last Updated: | Dec 1, 2010 |
| 46443 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (25 %) |
| After | Power Operation (25 %) |
Oyster Creek with 10 CFR 50.72(a)(1)(i), Emergency Class Declaration | |
WEEKMONTHYEARENS 531532018-01-06T10:24:0006 January 2018 10:24:00
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