05000333/FIN-2009004-02: Difference between revisions

Finding

Title

LICENSEE-IDENTIFIED Violation

Description

TS 3.3.8.1 requires that multiple independent channels of the Emergency Onsite Power System Loss of Power (LOP) instrumentation be operable to maintain operability of the emergency diesel generators. Contrary to this, on July 7, 2009, with the plant operating at 100% power (Mode 1), Entergy personnel conducted an instrument calibration on the 4.16 KV Emergency Bus Degraded Voltage Time Delay Relays, and determined that the as-found delay time for relays 71-27T2-1 HOEB03, 71-27T3-HOEB03, and 71-27T3-1 HOEA03, associated with the 4.16 kV emergency buses 10500 and 10600 degraded grid protection, exceeded the TS allowable values. As a result, multiple independent channels of the Emergency Onsite Power System LOP Instrumentation were inoperable and the plant exceeded TS 3.3.8.1, Condition A completion time during the surveillance interval. This finding was determined to be of very low safety significance (Green) because the relays and EDGs would have performed their safety functions in all cases. Specifically, the relays remained capable of performing their safety function of allowing their associated electrical bus to swap its supply from the offsite grid to the respective on-site EDGs prior to the loss or damage of any supplied equipment. Entergys corrective actions included the replacement of the relays in July 2009 with solid-state electronic timers and initiation of CR-JAF-2009-02397 and CR-JAF-2009-02403.

02
Site:	FitzPatrick
Report	IR 05000333/2009004 Section 4OA7
Date counted	Sep 30, 2009 (2009Q3)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	Licensee-identified
Inspection Procedure:
Inspectors (proximate)	M Patel S Rutenkroger G Hunegs B Welling P Presby J Nicholson M Balazik
INPO aspect
'
v • d • e

Finding - FitzPatrick - IR 05000333/2009004

1(0)2(2)3(7)4(2)5(3)6(0)402(0)502(0)

IR 05000333/2009004: 1 2

Finding List (FitzPatrick) @ 2009Q3

CCA Matrix: 2009Q3

	Q	CCA	Title
05000333/FIN-2008005-01	2008Q4	H.7	Quality Standards Not Specified in Design documents that Resulted in Unsupported HPCI Oil Tubing
05000333/FIN-2008005-02	2008Q4	H.4 H.5	Conduct of Relay Test Without Plant Impact Review Resulted in Loss of Emergency Bus and Shutdown Cooling
05000333/FIN-2009002-02	2009Q1	P.2	Failed to Submit an LER For a Condition Prohibited by TX Associated With EDG Fuel Oil Supply
05000333/FIN-2009002-01	2009Q1	P.1 P.1(a)	Inoperable Control Room Envelope Door
05000333/FIN-2009003-01	2009Q2	H.11 H.12	High Energy Line Break Door Missing Lower Support
05000333/FIN-2009003-02	2009Q2	H.7	Failure to Recognize an Adverse HPCI Performance Trend
05000333/FIN-2009003-03	2009Q2	H.14	Balance Chamber Pressure for the HPCI Turbine Stop Valve Was Not Set at a Value to Ensure HPCI Operation
05000333/FIN-2009003-04	2009Q2	P.1 P.1(a)	Failure Regarding an Adverse EDG Rotor Insulation Performance Trend
05000333/FIN-2009003-05	2009Q2	H.5	Inadequate Work Planning for Strain Gauge Resulted in Unplanned Exposure
05000333/FIN-2009004-01	2009Q3	H.2	HELB Barrier Doors Left Open and Unattended

Self-Identified List (FitzPatrick)

	Q	Title
05000333/FIN-2008005-03	2008Q4	Licensee-Identified Violation
05000333/FIN-2009003-06	2009Q2	Licensee-Identified Violation
05000333/FIN-2009003-07	2009Q2	Licensee-Identified Violation
05000333/FIN-2009004-02	2009Q3	Licensee-Identified Violation

[FitzPatrick Findings full list]

@@ Line 1: / Line 1: @@
 {{finding
-| title = Licensee-Identified Violation
+| title = LICENSEE-IDENTIFIED Violation
 | docket = 05000333
 | inspection report = IR 05000333/2009004

05000333/FIN-2009004-02: Difference between revisions

Revision as of 23:07, 29 May 2018

Navigation menu

05000333/FIN-2009004-02: Difference between revisions

Revision as of 23:07, 29 May 2018

Navigation menu

Search