ENS 43888
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ENS Event | |
|---|---|
10:02 Jan 10, 2008 | |
| Title | Technical Specification Required Shutdown Due to Two Rod Position Indicators (Rpis) Out in One Rod Bank |
| Event Description | At 0408 EST [the licensee] entered into TS 3.0.3 due to an observed RPI B-10 erratic indication. This RPI is in the same bank as currently inoperable F-2 RPI. TS 3.1.3.2 has actions for a maximum of one RPI per bank inoperable. Since there are two [RPIs inoperable] in one bank, and entry into TS 3.0.3 is required.
Power reduction was initiated at 0502. Repairs are currently in progress and [the licensee] anticipates correction prior to completion of the power reduction. The licensee notified the NRC Resident Inspector.
The licensee reports that repairs have been completed to RPI B-10 and it has been returned to service. Technical Specification 3.0.3 was exited at 0625. Reactor power has been returned to 100%. The NRC Resident Inspector will be notified. The R2DO (Ayres) has been informed. |
| Where | |
|---|---|
Turkey Point  Florida (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
| Time - Person (Reporting Time:+-4.42 h-0.184 days <br />-0.0263 weeks <br />-0.00605 months <br />) | |
| Opened: | Paul Reimers 05:37 Jan 10, 2008 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Jan 10, 2008 |
| 43888 - NRC Website
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Unit 3 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (99 %) |
WEEKMONTHYEARENS 526232017-03-18T15:07:00018 March 2017 15:07:00
[Table view]10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Reactor Trip and Loss of Ability for Unit 4 to Supply Power to Unit 3 ENS 450432009-05-05T07:30:0005 May 2009 07:30:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown 3C Main Steam Isolation Valve Problems ENS 444182008-08-15T20:04:00015 August 2008 20:04:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Shut Down Required by Technical Specifications ENS 439192008-01-18T22:44:00018 January 2008 22:44:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Two Inoperable Rod Position Indicators in the Same Rod Group ENS 438962008-01-12T10:41:00012 January 2008 10:41:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Two Rod Position Indicators (Rpis) Out in One Rod Bank ENS 438882008-01-10T10:02:00010 January 2008 10:02:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Two Rod Position Indicators (Rpis) Out in One Rod Bank ENS 434082007-06-06T11:45:0006 June 2007 11:45:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Initiated on Unit 3 ENS 412322004-11-30T13:50:00030 November 2004 13:50:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Dropped Control Rod ENS 412292004-11-29T05:09:00029 November 2004 05:09:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specifications Required Shutdown Due to Dropped Control Rod 2017-03-18T15:07:00 | |
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