ENS 42887
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ENS Event | |
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22:02 Oct 7, 2006 | |
Title | Unusual Event - Loss Of Containment Integrity |
Event Description | During testing, a small crack (3"- 4" axial crack) was identified on a return line to the torus for both HPCI and RCIC (steam driven ECCS systems). The valve upstream of the leak has been closed, however, the leak is still unisolable between that valve and the torus. This plant condition does not threaten public safety.
The licensee notified the NRC Resident Inspector, as well as State and local agencies.
This is a follow up notification to EN# 42887. Peach Bottom Atomic Power Station Terminated the Unusual Event at 0513 [EDT] on 10/08/06. Unit 2 is currently shutdown in Mode 4. In Mode 4, Primary Containment is no longer required. The licensee notified the NRC Resident Inspector, State and Local agencies. Notified R1DO (Krohn), R1 (Dapas), NRREO (Quay), NRR (Dyer, Weber), IRD (Blount), DHS (Gray), FEMA (Dunker). |
Where | |
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Peach Bottom Pennsylvania (NRC Region 1) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-3.8 h-0.158 days <br />-0.0226 weeks <br />-0.00521 months <br />) | |
Opened: | Mike Berg 18:14 Oct 7, 2006 |
NRC Officer: | John Knoke |
Last Updated: | Oct 8, 2006 |
42887 - NRC Website
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Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (22 %) |
After | Power Operation (22 %) |
WEEKMONTHYEARENS 552612021-05-17T16:38:00017 May 2021 16:38:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to a Fire Alarm Inside the Drywell ENS 543402019-10-21T04:50:00021 October 2019 04:50:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to No Control Rod Movement with Manual Scram Actuation ENS 471832011-08-23T18:01:00023 August 2011 18:01:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Seismic Event ENS 435562007-08-08T19:25:0008 August 2007 19:25:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared to Due Potential Hazardous Atmosphere in a Emergency Diesel Generator Room ENS 431892007-02-27T14:41:00027 February 2007 14:41:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Fire Inside the Unit 3 Turbine Area Load Center ENS 428872006-10-07T22:02:0007 October 2006 22:02:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Loss of Containment Integrity ENS 427792006-08-15T22:14:00015 August 2006 22:14:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to Fire on Roof of Edg Building ENS 401582003-09-15T06:39:00015 September 2003 06:39:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Dual Unit Reactor Scram. Discretionay Unusual Event Declared 2021-05-17T16:38:00 | |
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