05000445/FIN-2018003-01

Finding

Title

Failure to Maintain the Ability to Withstand a Station Blackout

Description

The inspectors identified a Green, non-cited violation of 10 CFR Part 50.63 for the licensees failure to maintain the ability to withstand and recover from a station blackout. Specifically, the licensees approved coping analysis for each unit required the availability of equipment on the non-blacked-out unit, and the licensee failed to maintain the required equipment available.The licensee entered this violation into their corrective action program as condition report CR-2017-011090.

01
Site:	Comanche Peak
Report	IR 05000445/2018003 Section 4OA2
Date counted	Sep 30, 2018 (2018Q3)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	NRC identified
Inspection Procedure:	IP 71152
Inspectors (proximate)	J Josey R Kumana H Freeman M Haire
Violation of:	10 CFR 50.63
INPO aspect
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v • d • e

Finding - Comanche Peak - IR 05000445/2018003

1(5)2(3)3(2)4(0)5(0)6(0)10(2)11(2)12(0)90(0)301(0)402(0)403(0)404(0)405(0)406(0)

IR 05000445/2018003: 1 2

Finding List (Comanche Peak) @ 2018Q3

CCA Matrix: 2018Q3

	Q	CCA	Title
05000445/FIN-2018001-01	2018Q1		Failure to Follow Commercial Grade Dedication Process
05000445/FIN-2018001-02	2018Q1		Failure to Incorporate Design Information Into System Test Procedures
05000445/FIN-2018001-03	2018Q1		Failure to Provide an Adequate Procedure
05000445/FIN-2018001-04	2018Q1		Inadequate Maintenance Procedure for Feedwater Valves
05000445/FIN-2018001-05	2018Q1		Failure to Correct a Significant Condition Adverse to Quality
05000445/FIN-2018002-01	2018Q2	H.11	Failure to Identify and Correct a Condition Adverse to Quality
05000445/FIN-2018002-02	2018Q2	H.7	Unacceptable Preconditioning of Main Steam Isolation Valves
05000445/FIN-2018002-03	2018Q2		Failure to Incorporate Design Information Into System Test Procedures
05000445/FIN-2018010-01	2018Q3		Failure to Establish Test Program to Verify Residual Heat Removal Suction Valve Capability
05000445/FIN-2018010-02	2018Q3		Failure to Provide Procedural Guidance for the Failure of a Component Cooling Water Surge Tank Makeup Valve
05000446/FIN-2018011-01	2018Q3		Failure to Maintain a Quality Record Complete and Accurate in All Material Respects
05000446/FIN-2018011-02	2018Q3	H.12	Failure to Follow a Quality Procedure Associated with the Reactor Makeup and Chemical Control System
05000445/FIN-2018003-01	2018Q3		Failure to Maintain the Ability to Withstand a Station Blackout
05000445/FIN-2018003-02	2018Q3		Failure to Establish Adequate Procedural Guidance for Processing Technical Changes Performed by A Vendor on Installed Plant Equipment

Self-Identified List (Comanche Peak)

[Comanche Peak Findings full list]

05000445/FIN-2018003-01

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