ENS 55575
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ENS Event | |
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10:25 Nov 14, 2021 | |
Title | Manual Trip Due to Lowering Main Condenser Vacuum |
Event Description | At 0525 EST, November 14, 2021, "Unit 2 was manually scammed by operations due to lowering main condenser vacuum. This resulted in PCIS (primary containment Isolation system) Group II/III isolation signals. All control rods inserted, and all systems operated as designed.
Unit 3 is unaffected and remains at 100 percent power in Mode 1. The Resident Inspector was notified. |
Where | |
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Peach Bottom ![]() Pennsylvania (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(2)(iv)(B), RPS Actuation | |
Time - Person (Reporting Time:+-1.58 h-0.0658 days <br />-0.0094 weeks <br />-0.00216 months <br />) | |
Opened: | Chris Wainaina 08:50 Nov 14, 2021 |
NRC Officer: | Karen Cotton |
Last Updated: | Jan 30, 2024 |
55575 - NRC Website
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Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | Yes, Manual Scram |
Before | Power Operation (100 %) |
After | Hot Standby (0 %) |
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