05000325/LER-1980-057-03, /03L-0:on 800703,during Performance of Standby Liquid Control Relief Valve Test,Valve 1-C41-FO29B Did Not Lift.Caused by Valve Setpoint Drift.Setpoint Adjusted & Penetrant Test Performed Satisfactorily

/03L-0:on 800703,during Performance of Standby Liquid Control Relief Valve Test,Valve 1-C41-FO29B Did Not Lift.Caused by Valve Setpoint Drift.Setpoint Adjusted & Penetrant Test Performed Satisfactorily

ML19330B759
Person / Time
Site:	Brunswick
Issue date:	07/30/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19330B752	List: 05000325/LER-1980-057, Forwards LER 80-057/03L-0 05000325/LER-1980-057-03, /03L-0:on 800703,during Performance of Standby Liquid Control Relief Valve Test,Valve 1-C41-FO29B Did Not Lift.Caused by Valve Setpoint Drift.Setpoint Adjusted & Penetrant Test Performed Satisfactorily
References
LER-80-057-03L, LER-80-57-3L, NUDOCS 8008050457
Download: ML19330B759 (1)

LER-1980-057, /03L-0:on 800703,during Performance of Standby Liquid Control Relief Valve Test,Valve 1-C41-FO29B Did Not Lift.Caused by Valve Setpoint Drift.Setpoint Adjusted & Penetrant Test Performed Satisfactorily

Event date:
Report date:
3251980057R03 - NRC Website

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(7 71) i LICENSEE EVENT REPORT l

l CONTROL BLOCK: l l

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t.0 61 COCKET Nur.' den 04 63 tvENT CATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROGABLE COtJSEQUENCES h I o i 2 I I During the performance of PT 6.2.1. Standby Liquid Control (SLC) Relief Valve Test.

l Lo I a l l SLC relief valve 1-C41-F029B did not lif t.

The required setpoint for this valve is l

1 o I 4 I i 1400I500 A similar problem involving the same valve was reported in LER l-79-002.

I ITITI l This event did not affect the health or safety of the public.

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33 34 35 26 37 40 41 42 43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS IiiOIl Valve setpoint drift was determined as the cause of this event. The setpoint was l

W ladiusted and the PT was performed satisfactorilv. All SLC relief valvea are checked I

[i121 lfor operability every six months. The subject valve will be removed"and inspected to I g l determine the cause of the setpoint drif t.

A follow-un report will be submitt'ed upon I 11 tal I the completion of the insoection.

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