05000275/FIN-2018010-01

Finding

Title

Failure to install conduit to environmentally qualified solenoid valves in a manner to prevent moisture intrusion and accumulation within the solenoid enclosure

Description

The inspectors identified a Green finding and associated Non-cited Violation (NCV) of 10 CFR Part 50.49, Environmental Qualification of Electric Equipment Important to Safety for Nuclear Power Plants, for failure to install conduit to environmentally qualified solenoid valves in a manner to prevent moisture intrusion and accumulation within the solenoid enclosure in accordance with Environmental Qualificationfile IH06, Revision 25.

01
Site:	Diablo Canyon
Report	IR 05000275/2018010 Section 1R21
Date counted	Jun 30, 2018 (2018Q2)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	NRC identified
Inspection Procedure:	IP 71111.21N
Inspectors (proximate)	R Kopriva W Cullum N Okonkwo T Famholtz
Violation of:	10 CFR 50.49
INPO aspect
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Finding - Diablo Canyon - IR 05000275/2018010

1(2)2(0)3(2)4(0)5(0)6(0)7(0)8(6)10(1)301(0)401(0)403(0)404(3)

IR 05000275/2018010: 1

Finding List (Diablo Canyon) @ 2018Q2

CCA Matrix: 2018Q2

	Q	CCA	Title
05000323/FIN-2017003-01	2017Q3	H.13	Inadequate Corrective Actions resulted in a Failure to Comply with Technical Specification 3.4.11 and an Emergency Declaration
05000323/FIN-2018001-02	2018Q1		Failure to Follow Operating Experience Procedures Results in Inadequate Screen of Operating Experience Report
05000323/FIN-2018001-01	2018Q1		Improper Troubleshooting Results in Reactor Trip Signal and Loss of Source Range Nuclear Instrument Power
05000275/FIN-2018008-02	2018Q2		Failure to Identify Diesel Generator Air Inlet Boot Seal Critical Characteristics
05000275/FIN-2018008-03	2018Q2	H.14	Failure to Promptly Identify and Correct Emergency Diesel Generator 1-1 Cardox System Inoperability
05000275/FIN-2018008-01	2018Q2		Emergency Diesel Generator Mission Time for Operability Evaluations
05000275/FIN-2018010-01	2018Q2		Failure to install conduit to environmentally qualified solenoid valves in a manner to prevent moisture intrusion and accumulation within the solenoid enclosure
05000275/FIN-2018008-05	2018Q2		Minor Violation
05000275/FIN-2018008-06	2018Q2		Minor Violation

Self-Identified List (Diablo Canyon)

	Q	Title
05000275/FIN-2018008-04	2018Q2	Licensee-Identified Violation

[Diablo Canyon Findings full list]

05000275/FIN-2018010-01

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