Difference between revisions of "ML20023C274"

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Forwards LER 83-025/03L-0
ML20023C274
Person / Time
Site: Dresden Exelon icon.png
Issue date: 05/04/1983
From: Scott D
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20023C275 List:
References
Download: ML20023C274 (2)


Text

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Commonwe:lth Edison Dresdin Nucinr P;wer Stati:n R.R. #1 Morris, lilinois 60450 Telephone 815/942-2920 May 4, 1983 DJS Ltr #83-433 James G. Keppler, Regional Administrator Region III U.S. Nuclear Regulatory Commission 99 Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report #83-25/03L-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, b

( D. . Scott Station Superintendent Dresden Nuclear Power Station l DJS/kjl Enclosure cc: Director of Inspection & Enforcement Director of Fbnagement Information & Program Control U.S. NRC, Document Management Branch File /NRC 8305170134 830504

{DRADOCK 05000237 PDR e, ., .

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DEVIATION REPORT Commonwealth Edison DVR NO.

  • 12 - 2 83 56 STA UNIT YEAR NO.

PART 1l TITLE OF DEVI ATION OCCURRED 4-9-81 1145 Refuel Hi Rad Trip Channel "A" oArt Twr SYSTEM AFFE D 1700 PLANT STATUS AT TIME OF EVENT TESTING Process RabTiation Refuel Monitor MODE , PWR(M#T) 0

. LOAD (MnE) o O G YES NO CESCRIPTION OF EVENT Received U-2 reactor building fuel pool channel "A" high radiation alarm, reactor building vent tripped and isolated, and standby gas treatment started. Channel "A" refuel radiation monitor was reading normal. Found relay 1705-105 in panel 902-40 failed.

10 CFR50.72 NRC RED PHONE [ @

NOTIFICATION MADE YES NO EOUIPMENT FAILURE 27076 hYES NO *ORK REQUEST NO. RESPONSIBLE SUPERVISOR M. Parcell cATE 4/9/83 P ART 2 l OPERATING ENGINEER'S COWAENTS All systems functioned as designed. The relav was replaced.

and the system returned to normal.

l l

l 0 EVENT OF PUBLIC INTEREST 24-HOUR NRC NOTIFICATION REO'O TELEPH N/A O TECH. SPEC. VIOLATION REGION III DATE TIME D NON REPORTABLE OCCURRENCE TELEGM/TELECOPY N/A 14 DAY REPO RT A BLE/ T. S. REGION lli DATE TIME

@ 30 OAY R EPO R TA BL E / T . S .6 . 6 . B . 2. b ANNUAL /SPECL REPORT REO'O IF ABOVE NOTIFICATION IS PER 10CFR21 A.I.R. -

O 5-DAY WRITTEN REPORT REO'O PER tOCFR21 L.E.R. # 83-25/03L-0 T opy Dennis P..Galle 4-13-83 1134 CECO CORPORATE OFFICER DATE TIME PRELIMINARY REPORT COMPLETED AND REVIEWED John M. Almer 4/13/83 OPERATING ENGINEER DATE INVESTIGATED REPORT & RESOLUTION ACCEPTED BY S TA TION REVIEW

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[ . a RESOLUTION APPROVED AND AUTHOR I ZED FOR DI STR I BUTION M _

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