05000237/LER-1982-025, Forwards LER 82-025/03L-0.Detailed Event Analysis Encl

Forwards LER 82-025/03L-0.Detailed Event Analysis Encl

ML20058J311
Person / Time
Site:	Dresden
Issue date:	07/21/1982
From:	Scott D COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20058J314	List: 05000237/LER-1982-025, Forwards LER 82-025/03L-0.Detailed Event Analysis Encl 05000237/LER-1982-025-03, /03L-0:on 820701,during Testing,Lpci Suction Valve MO-2-1501-5D Failed to Open Electrically.Caused by Dirty Auxiliary Contact in Breaker.Contact Cleaned
References
82-806, NUDOCS 8208090228
Download: ML20058J311 (2)

LER-1982-025, Forwards LER 82-025/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
2371982025R00 - NRC Website

text

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Commonwealth Edison

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R.R. #1 Morris, lilinois 60450 Telephone 815/942-2920 July 21, 1982 DJS LTR: #82/806 James G. Keppler, Regional Administrator Directorate of Regulatory Operations Region III U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 Reportable Occurrence Report #82-25/03L-0, Docket #050-237 is being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specification 6.6.B.2.(b), conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.

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D. J. ScotV &

Station Supck.Intendent Dresden Nuclear Power Station DJS:mb Enclosure cc: Director of Inspection & Enforcement Director of Management Information & Program Control U. S. NRC, Document Management Branch File /NRC i

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DEVIATION REPORT Commonwealth Edison gy, K3, M, uNff, MAR NN PART Il TITLE OF DEVI ATION OCCURRED7/1/82 1915 LPCI Suction Valve (M02-1501-5D) Failure To Open SYSTEM AFFECTE 1500 PL ANT STATUS AT TIME OF EVENT TESTING hs LPCI u0DE RUN PARiunT) 2330

, t0A0iuAE3 761 CESCRIPTION OF EVENT During LPCI Valve Operability Testing, LPCI suction valve M02-1501-5D failed to reopen following closure. Breaker racked out and racked back in.

Valve manually moved off seat and electrically would still not open. Manually reopened suction valve and EM's notified to investigate.

10 CFR50.72 NRC RED PHONE NOTIFICATION MADE YES NO EQUIPMENT F A ILURE D21387 Oves NO

• 0Rx REQUEST NO.

RESPONSIBLE SUPERVISOR Bob Herbert 7/1/82 nArt PART 2 l 0PERA TING ENGINEER'S C0hedENTS Electricians cleaned aux. contacts in breaker, and valve operated properly.

EVENT OF PUBLIC INTEREST 24= HOUR NRC NOTIFICATION RE0'D TECH. SPEC. VIOLATION TELEPH _

REGION lil CATE TIME NON REPORTABLE OCCURRENCE TELECM/TELECOPY O 14 DAY REPO R TA BL E/ T. S.

REGION lil CATE TIME h 30 DAY R EP O R TA BL E / T. S. 6. 6. B. 2. b IF ABOVE NOTIFICATION IS PER 10CFR21 ANNUAL /SPECL REPORT RE0'D A.I.R.

s S. DAY WRITTEN REPORT RE0'D PER 10CFR2?

,82-25/03L-0

' E 8-i. A. Palmer 7/2/82 1543 7

pg CECO CORPORATE OFFICER DATE TIME PRELIMINARY REPORT John M. Almer 2!O COMPLETED AND REVIEWED OPER ATING ENGINEER DAW e

INVESTIGATED REPORT & RESOLUTION ACCE P TED BY STATION REVIE#

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(_ / h/J 4 /f b RESOLUTION APPROVED AND

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N AUTHORI ZED FOR DI STR I BUTION STATION SUP I N TENDENT DATE 44*St?6 (FORM 15.$2-11 10*St

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