ML20052H282

LER 82-029/03L-0:on 820419,during Normal Operation,Gate valve,MO-8401D,found to Have No Position Indication in Control Room & Could Not Be Operated from Control Room. Caused by Blown Control Fuse.Fuse Replaced

ML20052H282
Person / Time
Site:	Duane Arnold
Issue date:	05/14/1982
From:	Hill K IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20052H270	List: ML20052H269 ML20052H282
References
LER-82-029-03L, LER-82-29-3L, NUDOCS 8205200134
Download: ML20052H282 (1)

Text

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Lo.J J l During normal operation. M0-8401D was found to have no position indicati i g i on in the control room and could not be operated from the control room. I g [ MD-8401D is a normally closed gate valve which isolates the main steam i l o s i solation valve-leakage control system (MSIV-LCS) on the "D" main steam 1 I lo Is l I ine. A 30-day LC0 was briefly ontered nor Tech. Snec. 3. 7. 3. 2 for an ino l 10171 I perable MSIV-LCS subsystem. Thero havo boon no similar occurrences. I I

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2 .A 47 CAUSE DESCRIPTION AND CORRECTIVE ACTtCNS i, ,o , j The cause of the event was a blown control fuse. The fuse was replaced. t

,, , , , The valve and position indicating lights were functionally tested satisf 1 actory. The fuse was a product of Dussmann Manufacturing Company. No fur  ;

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