ENS 41441: Difference between revisions
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| event date = 02/24/2005 21:11 CST | | event date = 02/24/2005 21:11 CST | ||
| last update date = 02/24/2005 | | last update date = 02/24/2005 | ||
| title = Esf Actuation Following Trip | | title = Esf Actuation Following Trip of Reactor Protection Motor-Generator Set | ||
| event text = A trip of the "A" RPS M-G set resulted in an "A" Group 2 isolation and startup of the standby gas treatment system. There was a preliminary report of a possible fire/smoke smell in the vicinity of the M-G set. However, when an operator reported to the location there was no observed fire. The fire brigade was also dispatched but found no fire or smoke in the M-G set area. | | event text = A trip of the "A" RPS M-G set resulted in an "A" Group 2 isolation and startup of the standby gas treatment system. There was a preliminary report of a possible fire/smoke smell in the vicinity of the M-G set. However, when an operator reported to the location there was no observed fire. The fire brigade was also dispatched but found no fire or smoke in the M-G set area. | ||
The licensee is preparing to place the RPS on its alternate power supply. This will allow the Group 2 isolations and standby gas treatment system actions to be reset. The cause of the M-G set trip is still under investigation. | The licensee is preparing to place the RPS on its alternate power supply. This will allow the Group 2 isolations and standby gas treatment system actions to be reset. The cause of the M-G set trip is still under investigation. | ||
Latest revision as of 21:21, 1 March 2018
| Where | |
|---|---|
Monticello  Minnesota (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
| LER: | 05000263/LER-2005-002 Regarding Failure of 11 Reactor Protection System Motor-Generator Set Results in an Engineered Safety Feature Actuation |
| Time - Person (Reporting Time:+-4.53 h-0.189 days <br />-0.027 weeks <br />-0.00621 months <br />) | |
| Opened: | Kurt Arndt 22:39 Feb 24, 2005 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Feb 24, 2005 |
| 41441 - NRC Website
| |