ENS 49286: Difference between revisions
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| event date = 08/15/2013 09:15 CDT | | event date = 08/15/2013 09:15 CDT | ||
| last update date = 08/15/2013 | | last update date = 08/15/2013 | ||
| title = Diesel Generator Declared Inoperable Due | | title = Diesel Generator Declared Inoperable Due to Damper Failing to Open | ||
| event text = During a run of the Division 3 Diesel Generator room ventilation fan to perform thermograph, it was identified that the damper (1VD01YC) that provides the flow path from the outside area into the ventilation room would not open when the fan was started. This renders the Division 3 Diesel Generator inoperable. High Pressure Core Spray was declared inoperable at 1420 hours [CDT], but remains available. This report is being made pursuant to 10CFR50.72(b)(3)(v)(D) as an event or condition that could have prevented fulfillment of a safety function needed to mitigate the consequences of an accident. | | event text = During a run of the Division 3 Diesel Generator room ventilation fan to perform thermograph, it was identified that the damper (1VD01YC) that provides the flow path from the outside area into the ventilation room would not open when the fan was started. This renders the Division 3 Diesel Generator inoperable. High Pressure Core Spray was declared inoperable at 1420 hours [CDT], but remains available. This report is being made pursuant to 10CFR50.72(b)(3)(v)(D) as an event or condition that could have prevented fulfillment of a safety function needed to mitigate the consequences of an accident. | ||
The cause of the damper failing to open has not yet been determined. Troubleshooting is in progress to determine the cause and actions required to restore operability. The Division 1 and Division 2 Diesel Generators are operable. | The cause of the damper failing to open has not yet been determined. Troubleshooting is in progress to determine the cause and actions required to restore operability. The Division 1 and Division 2 Diesel Generators are operable. | ||
Latest revision as of 21:00, 1 March 2018
| Where | |
|---|---|
Clinton  Illinois (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| LER: | 05000461/LER-2013-004 |
| Time - Person (Reporting Time:+3.63 h0.151 days <br />0.0216 weeks <br />0.00497 months <br />) | |
| Opened: | Ken Leffel 17:53 Aug 15, 2013 |
| NRC Officer: | Dong Park |
| Last Updated: | Aug 15, 2013 |
| 49286 - NRC Website
| |
Clinton with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |