ENS 53496

v t e ENS Event
05:00 Jul 9, 2018
Title	Secondary Containment Inoperable
Event Description	At approximately 1334 CDT on 7/9/18, both doors of a Secondary Containment Airlock were reported to be open simultaneously for a period of less than 3 seconds. The brief time that the doors were simultaneously open constituted an inoperable condition of Secondary Containment. Secondary Containment was immediately restored to operable by closing the airlock doors. Subsequently, the airlock interlock was verified to operate correctly. This event is being reported pursuant of 10 CFR 50.72(b)(3)(v)(C). The Senior NRC Resident Inspector has been notified.

ENS 53496 +/-
Where
Duane Arnold Iowa (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Time - Person (Reporting Time:+11.42 h0.476 days <br />0.068 weeks <br />0.0156 months <br />)
Opened:	Schuyler Vreeman 16:25 Jul 9, 2018
NRC Officer:	Steven Vitto
Last Updated:	Jul 9, 2018
53496 - NRC Website
v • d • e

v t e Emergency Notification System
Duane Arnold with 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
WEEKMONTHYEAR2018-07-09T05:00:00 [Table view]
[ENS list for Duane Arnold]

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