ENS 55504: Difference between revisions

v t e ENS Event
04:31 Oct 4, 2021
Title	Valid System Actuation
Event Description	The 'A' Steam Generator Narrow Range Water Level went less than 17 percent causing an Auxiliary Feed Water System valid actuation signal. The Auxiliary Feed Water System was in service at the time of the event providing decay heat removal. There was no adverse effect on plant systems. The Steam Generator Narrow Range Water Level was restored to normal operating band. This is being reported per 10 CFR 50.72(b)(3)(iv)(A), which states, 'Any event or condition that results in valid actuation of any of the systems listed in paragraph (b)(3)(iv)(B) of this section, except when the actuation results from and is part of a pre-planned sequence during testing or reactor operation.' [Reactor Coolant System] RCS Pressure 340 pounds and RCS Temperature 340 Degrees F. The NRC Resident Inspector was notified.

ENS 55504 +/-
Where
Ginna New York (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(iv)(A), System Actuation
Time - Person (Reporting Time:+3.57 h0.149 days <br />0.0212 weeks <br />0.00489 months <br />)
Opened:	Eric Matz 08:05 Oct 4, 2021
NRC Officer:	Jeffrey Whited
Last Updated:	Oct 4, 2021
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v • d • e

v t e Emergency Notification System
Ginna with 10 CFR 50.72(b)(3)(iv)(A), System Actuation
WEEKMONTHYEAR2023-09-09T15:43:00 [Table view]
[ENS list for Ginna]

@@ Line 22: / Line 22: @@
 [Reactor Coolant System] RCS Pressure 340 pounds and RCS Temperature 340 Degrees F.
 The NRC Resident Inspector was notified.
-| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2021/20211005en.html#en55504
+| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2021/20211006en.html#en55504
 }}{{unit info
 | Unit = 1

Latest revision as of 07:30, 6 October 2021