ENS 50794

v t e ENS Event
05:55 Feb 7, 2015
Title	Leakage Detection System Inoperable
Event Description	On 2/6/15 at 2300 (CST) the Division 1 Reactor Water Cleanup (RT) system differential flow instrument was declared inoperable due to erratic indication. The Division 1 RT differential flow instrument was declared inoperable in accordance with Technical Specification 3.3.6.1 Action D.1. At time 2355 Division 2 RT differential flow instrument failed downscale and was declared inoperable in accordance with Technical Specification 3.3.6.1 Action D.1 and also Technical Specification 3.3.6.1 Action E.1 (entered due to Division 1 RT differential flow already inoperable). Since this condition renders the Leakage Detection System incapable of performing its safety function, it is reportable under 10CFR50.72(b)(3)(v)(C). Division 1 RT differential flow was declared Operable at time 0036 on 2/7/15. Division 2 RT differential flow was restored to Operable at time 0225 on 2/07/2015. The NRC Resident [Inspector] has been notified.

ENS 50794 +/-
Where
Clinton Illinois (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
LER:	05000461/LER-2015-001
Time - Person (Reporting Time:+1.7 h0.0708 days <br />0.0101 weeks <br />0.00233 months <br />)
Opened:	Richard Champley 07:37 Feb 7, 2015
NRC Officer:	Vince Klco
Last Updated:	Feb 7, 2015
50794 - NRC Website
v • d • e

v t e Emergency Notification System
Clinton with 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
WEEKMONTHYEAR2018-03-30T18:05:00 [Table view]
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