ENS Event | |
|---|---|
23:30 Dec 2, 2004 | |
| Title | Technical Specification Shutdown Due To Loss Of The Division 2 125 Vdc Battery Charger |
| Event Description | On December 2, 2004, at 17:30 p.m. CST, River Bend Station commenced a plant shutdown required by Technical Specifications. This action was made necessary by the loss of the Division 2 safety-related 125 volt battery charger. The cause of the failure has not been determined. Actions are ongoing to restore the charger to service.
The pertinent Technical Specification action statement was entered at 1236 CST on 12/02/2004, and requires the plant to be in Mode 3 by 0036 CST on 12/03/2004 and Mode 4 by 0036 CST on 12/04/2004. This event is being report in accordance with 10CFR50.72(b)(2)(i). The licensee added that the Division 1 electrical system is available and fully capable of supporting all reactor safety-related protective functions. The licensee is still trouble shooting the cause of the charger malfunction. The licensee has notified the NRC Senior Resident Inspector. |
| Where | |
|---|---|
River Bend  Louisiana (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
| Time - Person (Reporting Time:+-3.33 h-0.139 days <br />-0.0198 weeks <br />-0.00456 months <br />) | |
| Opened: | Ken Higginbotham 20:10 Dec 2, 2004 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Dec 2, 2004 |
| 41239 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (77 %) |
WEEKMONTHYEARENS 412392004-12-02T23:30:0002 December 2004 23:30:00
[Table view]10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Shutdown Due to Loss of the Division 2 125 Vdc Battery Charger 2004-12-02T23:30:00 | |