05000237/LER-1978-062, Forwards LER 78-062/03L-0

Forwards LER 78-062/03L-0

ML17173A426
Person / Time
Site:	Dresden
Issue date:	12/08/1978
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17173A427	List: 05000237/LER-1978-062, Forwards LER 78-062/03L-0 05000237/LER-1978-062-03, /03L-0 on 781115:AO 1601-56 Valve Failed in Closed Position.Caused by Shorted Out Coil on Solenoid.Solenoid Coil & Fuse Replaced & Valve Verified Operational
References
BBS-LTR#78-1583, NUDOCS 7812180223
Download: ML17173A426 (2)

LER-1978-062, Forwards LER 78-062/03L-0

Event date:
Report date:
2371978062R00 - NRC Website

text

December 8, 1978 BBS Ltr. #78-1583 James G. Keppler, Regional. Director Directorate of Regulatory Operations - Region III U.S. Nuclear Regulatory Commission 799 Roosvelt Road Glen Ellyn, IL 60137

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submitted to your office in accordance with Dresden Nuclear Power

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operation in a degraded mode p~rmitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.

BBS/deb.

Enclosure cc:

Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC

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C§:IIJ I While perforlning_pos 1600-12, Monthly Containment Purge System Operability, fuse

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significance minimal becau$e valve failed iri closed position thus maintaining primary!

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Similar event has occurred previously as ref. in 79...:054/03L-OJ

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I Docket #050-237.

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CAUSE DESCRl?TION AND CORRECTIVE ACTIONS @

44 47 o::::I£J I Cause attributable to a shorted ~:>Ut coil on solenoid.

Solenoid coil (Type AU 3) and IJJJJ I fuse* were replaced and valve verified operational by DOS °1600-12.

No further action r7T:;"1 deemed necessary at this time*.

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