ENS 55484

v t e ENS Event
18:43 Sep 23, 2021
Title	High Pressure Coolant Injection System Declared Inoperable
Event Description	During planned testing of the Unit 1 HPCI [high pressure coolant injection] system, flow controller oscillations occurred which prevented successful completion of the surveillance test. Operators secured Unit 1 HPCI and declared the system inoperable. HPCI inoperable placed the licensee in a 14-day limiting condition for operation that was extended to 30 days after their risk-informed completion time evaluation was done. The licensee has notified the NRC Resident Inspector.

ENS 55484 +/-
Where
Limerick Pennsylvania (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Time - Person (Reporting Time:+0.05 h0.00208 days <br />2.97619e-4 weeks <br />6.849e-5 months <br />)
Opened:	Kris Strausser 18:46 Sep 23, 2021
NRC Officer:	Howie Crouch
Last Updated:	Sep 23, 2021
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v • d • e

v t e Emergency Notification System
Limerick with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
WEEKMONTHYEAR2025-03-03T15:44:00 [Table view]
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