ML20023C291

Forwards LER 83-027/03L-0

ML20023C291
Person / Time
Site:	Dresden
Issue date:	05/05/1983
From:	Scott D COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20023C292	List: ML20023C291 ML20023C296
References
83-436, NUDOCS 8305170159
Download: ML20023C291 (2)

Text

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Commonwellth Edison Dr.:sd:n Nucint Power Stttiin

@ Telephone 815/942-2920 RR. #1 Morris, Illinois 60450 May 5, 1983 DJS Ltr #83-436 James G. Keppler, Regional Director Directorate of Regulatory Operations - Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report #83-27/03L-0, Docket #050-237 is being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specification 6.6.E.2. (c), observed inadequacies in the implementation of administrative or procedural controls which threaten to cause reduction of degree of redundancy provided in reactor protection systems or engineered safety feature systems.

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6 D.J. Scott Station Superintendent Dresden Nuclear Power Station DJS/kjl Enclosure cc: Director of Inspection & Enforcement Director of Management Information & Program Control U.S. NRC, Document Management Branch l File /NRC d

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0305170159 830505 PDR ADOCK 05000237 PDR s ,3,,

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'[ z-.. ') Commonwealth Edison DEVIATION REPORT

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DVR NO.

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( ,- STA UNIT YEAR NO.

P ART 1 l TITLE OF DEVIATION OCCURREO

. Local Leak Rate Test Failure 4-8-83 0800 Due to Forcien Substance on Valves DATE Tivr

, SYSTEM AFFECTED 1600 PLANT STATUS AT TIME OF EVENT TESTING Primary Containment uoog Shutdown , p,ggu,73 0 . LOAD (MWE) 0 DESCRIPTION OF EVENT l

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! A0-2-1601-61 and 2-220-58A and 58B, a foreign substance was discovered on each valve seat and disc. Incal leak rate tests (LLRT) were performed on each valve i

o after foreign substance was removed. Valves A0-2-203-1C, 1D, 1601-61 and i

i 2-220-58B failed LLRT.

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j 10 CFRSO.72 NRC RED PHONE j 26776, 27096, 27098, 27057, 27055, and 27056 NOTIFICATION MADE YES NO

'l ECUIPMENT FAILURE See Above hYES NO WORK REQUEST NO. RESPONSIBLE SUPERVISOR ty 1, c. e , ,,1,,, 4 , t, DATE 4-15-83 P ART 2 l 0PERATING L.1GINEER'S C0hWENTS 7 None i

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1 EVENT OF PUBLIC INTEREST 24. HOUR NRC NOTIFICATION REQ'D J O TECH. SPEC. VIOLATION TELEPH N/A

'; REG 40N lil DATE TIME l C NON REPORTABLE OCCURRENCE TELEGM/TELECOPY N/A i, 14 DAY REPORTABLE /T.S. REGION lli DATE TIME j @ 30 DAY REPORTABLE /T.S. 6.6 B.2.C

, CECO CORPORATE NOTIFICATION MADE

ANNUAL /SPECL REPORT REQ'O IF ABOVE NOTIFICATION IS PER 10CFR21 1

A.I.R.

• O S. DAY WRITTEN REPORT REQ'D PER 10CFR21 L.E.R. m 83-27/03T.-0 Telecopy

.j 7ppgc Dennis P. Cn11e .,_4-1 bR3 1 vn CECO CORPORATE OFFICER DATE TIME e

PRELIMINARY REPORT COMPLETED AND REVIEWED John M. Alner 4-15-83 3

OPERATING ENGINEER DATE INVESTIGATED REPORT & RESOLUTION ACCEPTED BY S1AT10N REVIEW k J.(,/( - - O (_(<-ai.b f[

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RESOLUTION APPROVED AND AUTHORIZED FOR DISTRIBUTION n

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