05000346/FIN-2018002-02

Finding

Title

Failure to Apply Technical Specification for Safety Features Actuation SystemInstrumentation

Description

The NRC identified a finding of Green significance and an associated Non-Cited Violation of Technical Specification 3.3.5.b, Safety Features Actuation System (SFAS) Instrumentation, for the licensees failure to place the reactor in Mode 3 within six hours of identifying that two channels of Safety Features Actuation System Borated Water Storage Tank level instrumentation were inoperable. Specifically, the licensee inappropriately exited Technical Specification 3.3.5.b, and failed to place the reactor in Mode 3 while two Borated Water Storage Tank level instruments were inoperable for more than six hours.

02
Site:	Davis Besse
Report	IR 05000346/2018002 Section 4OA3
Date counted	Jun 30, 2018 (2018Q2)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	NRC identified
Inspection Procedure:	IP 71153
Inspectors (proximate)	D Mills M Garza J Harvey J Rutkowski J Beavers J Cameron
Violation of:	Technical Specification
CCA	H.14, Conservative Bias
INPO aspect	DM.2
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Finding - Davis Besse - IR 05000346/2018002

1(0)2(4)3(0)4(0)5(0)6(0)10(0)11(0)40(0)90(0)301(0)410(0)411(0)412(0)413(0)402(0)

IR 05000346/2018002: 1 2 3 4

Finding List (Davis Besse) @ 2018Q2

CCA Matrix: 2018Q2

	Q	CCA	Title
05000346/FIN-2017003-01	2017Q3		Pinched Wiring Causing the Failure of Fuses Y210 and Y214
05000346/FIN-2017003-02	2017Q3		Auxiliary Feedwater Pump 1 Bearing Failure
05000346/FIN-2017003-03	2017Q3	H.6	Failure to Perform Adequate Evaluation of Cask CraneComponents and Crane Support Structure
05000346/FIN-2017003-04	2017Q3		Failure to Perform 10 CFR 50.59 Evaluation
05000346/FIN-2017003-05	2017Q3		Ultrasonic Testing Records to Support Fuel Selection Were Not Being Maintained
05000346/FIN-2017004-04	2017Q4	P.2	Failure to Document a Degraded Condition on the AFPT 1 Outboard Bearing
05000346/FIN-2017004-03	2017Q4	H.11	Failure to Prescribe Appropriate Work Instructions for an Activity Affecting Quality
05000346/FIN-2017004-02	2017Q4		Interface Between New Accident Range Ventilation Monitors and the Emergency Preparedness Dose Assessment Program
05000346/FIN-2017004-01	2017Q4	H.5	Failure to Maintain Procedures Associated with Ventilation Air Monitoring Assessment Program
05000346/FIN-2018002-01	2018Q2	H.12	Failure to Follow the Makeup and Purification Procedure
05000346/FIN-2018002-02	2018Q2	H.14	Failure to Apply Technical Specification for Safety Features Actuation SystemInstrumentation
05000346/FIN-2018002-03	2018Q2	H.8	Failure to Perform a Procedure Affecting Quality
05000346/FIN-2018002-04	2018Q2	H.13	Misapplication of the Operability Determination Process

Self-Identified List (Davis Besse)

[Davis Besse Findings full list]

05000346/FIN-2018002-02

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