05000313/LER-1979-018-03, /03L-0:on 791008,tank Discharge Valve Failed & Control Valve 1616 Declared Inoperaple.Caused by Pinched Control Wire Blowing Fuse in Breaker Cubicle.Wire Reinsulated & Fuse Replaced.Craft Personnel Cautioned

/03L-0:on 791008,tank Discharge Valve Failed & Control Valve 1616 Declared Inoperaple.Caused by Pinched Control Wire Blowing Fuse in Breaker Cubicle.Wire Reinsulated & Fuse Replaced.Craft Personnel Cautioned

ML19210D575
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/07/1979
From:	Bramlett L ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19210D574	List: 05000313/LER-1979-018, Forwards LER 79-018/03L-0 05000313/LER-1979-018-03, /03L-0:on 791008,tank Discharge Valve Failed & Control Valve 1616 Declared Inoperaple.Caused by Pinched Control Wire Blowing Fuse in Breaker Cubicle.Wire Reinsulated & Fuse Replaced.Craft Personnel Cautioned
References
LER-79-018-03L-01, NUDOCS 7911270330
Download: ML19210D575 (1)

LER-1979-018, /03L-0:on 791008,tank Discharge Valve Failed & Control Valve 1616 Declared Inoperaple.Caused by Pinched Control Wire Blowing Fuse in Breaker Cubicle.Wire Reinsulated & Fuse Replaced.Craft Personnel Cautioned

Event date:
Report date:
3131979018R03 - NRC Website

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NRC FORM 364, U. S. NUCLE AR REGULATORY CCMMISSION (7 77)

LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCK: l l l l l l lh (PLEASE PRINT OR TYPE ALL REOutRED INFORMATION1 1

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8 60 61 DOCKET hpMSER 68 69 EVENT oATE I4 76 HEPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEOUENCES h lDuring the Gunrrerly Surveillnnce Test (10-7-79). CV1616. the sodium o 2 E Ihydrnvido e n nie dicchnrgo vnivo fniled in the F9 nnairinn.

This vac; re-l Ipaired and the redundant valve. CV1617. was proved operable. Later. CV I

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1616 was found to have no control board indication and was declared in-l 10161 nnernble nor T _ 9_1_1. 4_ (TD _

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CAUSE DESCR.PTION AND CORRECrivE ACTIONS h m IThe control fuse was found blown in the breaker cubicle.

This was caused i lilil by a control wire being pinched and arounded to the operator cover. The i FTTI I control wire was reinsulated and the control fuse was replaced.

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