ENS 43209
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ENS Event | |
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01:12 Mar 3, 2007 | |
Title | Unit 3 Hpci Inoperable Due to Pinhole Leak on the Steam Side |
Event Description | At 1912 hours0.0221 days <br />0.531 hours <br />0.00316 weeks <br />7.27516e-4 months <br /> on 03/02/07, a through wall leak was identified on the U3 High Pressure Coolant Injection (HPCI) Inlet Drain Pot drain piping. This piping is ASME Code class 2 piping and as required by the Technical Requirements Manual the piping was isolated which resulted in isolation of the U3 HPCI System. U3 HPCI was declared inoperable. This event is reportable under 10CFR50.72(b)(3)(v)(D). Piping repair preparations are in progress.
The leak was discovered by a licensed operator on rounds. The Technical Specification is a 14 day LCO. The licensee notified the NRC Resident Inspector. |
Where | |
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Dresden Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
Time - Person (Reporting Time:+-2.65 h-0.11 days <br />-0.0158 weeks <br />-0.00363 months <br />) | |
Opened: | Randy Wroblewski 22:33 Mar 2, 2007 |
NRC Officer: | Joe O'Hara |
Last Updated: | Mar 2, 2007 |
43209 - NRC Website
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Unit 3 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (98 %) |
After | Power Operation (98 %) |
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