ENS 46373
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ENS Event | |
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15:07 Oct 27, 2010 | |
Title | Spent Fuel Storage Related Defect - Cask Leakage Rate Greater than Technical Specification |
Event Description | On 10/27/10, at 1107 [EDT], troubleshooting of Independent Spent Fuel Storage Installation (ISFSI) Cask TN-68-01 identified that a helium leak exists in the cask lid sealing area at a leak rate greater than allowed by ISFSI Cask Technical Specification Section 3.1.3, Cask Helium Leak Rate. TS 3.1.3 limits the Cask Helium Leak Rate to 1.0 E-O5 ref-cc/sec. The cask was in LOADING OPERATIONS and is currently located within the [Peach Bottom Atomic Power Station] PBAPS Unit 2 containment building. Preliminary review indicates that a leak exists in the Cask Main Lid Outer Closure Seal. The cask will be repaired and tested prior to returning the cask to the Independent Spent Fuel Storage Installation (ISFSI). No release of radiation occurred as a result of this issue.
This report is being submitted pursuant to 10CFR 72.75(c)(2) as a result of a reduction in the effectiveness of the cask confinement system. The Certificate of Compliance for this cask is 1027 (Amendment 0). The NRC Resident Inspector has been informed. |
Where | |
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Peach Bottom ![]() Pennsylvania (NRC Region 1) | |
Reporting | |
10 CFR 72.75(c )(2), ISFSI Degradation | |
Time - Person (Reporting Time:+1.3 h0.0542 days <br />0.00774 weeks <br />0.00178 months <br />) | |
Opened: | Jeremy Hite 16:25 Oct 27, 2010 |
NRC Officer: | Dong Park |
Last Updated: | Oct 28, 2010 |
46373 - NRC Website
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Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
Unit 3 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 463732010-10-27T15:07:00027 October 2010 15:07:00
[Table view]10 CFR 72.75(c)(2), ISFSI Degradation Spent Fuel Storage Related Defect - Cask Leakage Rate Greater than Technical Specification ENS 463532010-10-22T14:58:00022 October 2010 14:58:00 10 CFR 72.75(c)(1), ISFSI Defect, 10 CFR 72.75(c)(2), ISFSI Degradation Spent Fuel Storage Related Defect - Cask Leakage Rate Greater than Technical Specification 2010-10-27T15:07:00 | |
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