ENS 43919
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ENS Event | |
|---|---|
22:44 Jan 18, 2008 | |
| Title | Technical Specification Required Shutdown Due to Two Inoperable Rod Position Indicators in the Same Rod Group |
| Event Description | At 1744 [EST] on 1/18/08, [the licensee] entered Technical Specification (TS) 3.0.3 on Unit 3 due to observed Rod Position lndicator (RPI) F-14 dropping from 228 steps to 135-145 steps and behaving erratically. This RPI is in the same bank as currently inoperable RPI F-2. TS 3.1.3.2 has actions for a maximum of one RPI per bank inoperable. Since there are two inoperable in one bank, an entry into TS 3.0.3 is required.
Power reduction [was] initiated at 1835 [hrs.]. Repairs [are] currently in progress [and the licensee] anticipate[s] correction prior to completion of power reduction. If the RPI is not corrected, the licensee will be required to be in Mode 3 by 0044 hrs. EST on 01/19/08. This is an ongoing issue. See Event Notifications 43896 and 43888. The licensee has notified the NRC Resident Inspector.
Repairs are complete. RPI F-14 has been restored to service on Unit 3, exited Technical Specification 3.0.3 at 2027. Return to 100% power on Unit 3 [is] in progress. The licensee will notify the NRC Resident Inspector. Notified R2DO (Moorman). |
| Where | |
|---|---|
Turkey Point  Florida (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
| Time - Person (Reporting Time:+-4 h-0.167 days <br />-0.0238 weeks <br />-0.00548 months <br />) | |
| Opened: | David Funk 18:44 Jan 18, 2008 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Jan 18, 2008 |
| 43919 - 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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