ENS 51987: Difference between revisions
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| event date = 06/08/2016 02:26 EDT | | event date = 06/08/2016 02:26 EDT | ||
| last update date = 06/08/2016 | | last update date = 06/08/2016 | ||
| title = Discovery | | title = Discovery of Unisolable Reactor Pressure Boundary Leakage | ||
| event text = Susquehanna Unit 1 identified RPV [reactor pressure vessel] pressure boundary leakage from [local power range monitor] LPRM 24-09 housing above the flange during an under vessel leak inspection on 06/08/2016 at 0226 EDT. The leakage point is a through wall indication on the ASME Class 1 LPRM stub tube. The leakage is not isolable from the reactor vessel. The reactor was in Mode 4 at the time of discovery. | | event text = Susquehanna Unit 1 identified RPV [reactor pressure vessel] pressure boundary leakage from [local power range monitor] LPRM 24-09 housing above the flange during an under vessel leak inspection on 06/08/2016 at 0226 EDT. The leakage point is a through wall indication on the ASME Class 1 LPRM stub tube. The leakage is not isolable from the reactor vessel. The reactor was in Mode 4 at the time of discovery. | ||
This event is being reported as a degraded condition pursuant to 10CFR50.72(b)(3)(ii)(A). | This event is being reported as a degraded condition pursuant to 10CFR50.72(b)(3)(ii)(A). | ||
Latest revision as of 20:44, 1 March 2018
| Where | |
|---|---|
Susquehanna  Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded | |
| Time - Person (Reporting Time:+0.58 h0.0242 days <br />0.00345 weeks <br />7.94484e-4 months <br />) | |
| Opened: | Lonnie Crawford 07:01 Jun 8, 2016 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Jun 8, 2016 |
| 51987 - NRC Website
| |