05000325/LER-1983-057, Updated LER 83-057/03L-1:on 831119,during Unit Power Performance,Temp Recorder TR-1258 Printed Erratically.Caused by Dirty Electrical Contacts in Control Board Timing Relay. Contacts Cleaned & Returned to svc.W/840222 Ltr

Updated LER 83-057/03L-1:on 831119,during Unit Power Performance,Temp Recorder TR-1258 Printed Erratically.Caused by Dirty Electrical Contacts in Control Board Timing Relay. Contacts Cleaned & Returned to svc.W/840222 Ltr

ML20086R760
Person / Time
Site:	Brunswick
Issue date:	02/22/1984
From:	Dietz C, Pastva M CAROLINA POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
BSEP-84-0418, BSEP-84-418, LER-83-057-03L, LER-83-57-3L, NUDOCS 8403010133
Download: ML20086R760 (2)

LER-2083-057, Updated LER 83-057/03L-1:on 831119,during Unit Power Performance,Temp Recorder TR-1258 Printed Erratically.Caused by Dirty Electrical Contacts in Control Board Timing Relay. Contacts Cleaned & Returned to svc.W/840222 Ltr

Event date:
Report date:
3252083057R00 - NRC Website

text

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17 77)'

4 ** LICENSEE EVENT, REPORT Update Report:

4 Previous' Report Date: 12-19-83 (PLEASE PRINT CR TYPE ALL REQUIRE 0 INFORMATION)

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h ~

l 0 2 l Durincr unit Dower ODeration Derformance of the Drimary containment volumetric average l l o 1 air temperature derivation, PT-16.2, revealed that primary containment multipoint l O 4 l temperature recorder, 1-CAC-TR-1258, was showing temperature indications, but was- l E. O s l printing erratically. This event did not affect the health and safety of the public. 1 o o l I c ; l- I gl Technical Specifications 3.3.5.3, 6.9.l.9b 1 80 7 89 SYSTEM CAUSS CAUSE COMP. VALVE CODE CODE SU8 CODE COMPCNENT CODE SU8 CODE SU8 CODE -

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g [ TR-1258 printed erratically due to dirty electrical contacts in the recorder control I i i l board timing relay. The contacts were cleaned and TR-1258, Model No. 550, was re- l

, 7 l turned to service. Due to a history of similar events involving the TR-1258 recorders l 1 3 -].of both units, and the criteria of RG-1.97, these instruments will be replaced during l

, 4 l the next respective refueling outage of each unit. l 7 89 80 STA OTHER STATUS CIS Y DISCOVERY DESCRIPTION

@ [E,jh . . % POWER l0l6l0lh] NA l l B l@l Periodic Test  !

A TlVITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 1 6 [Z_j h Ql NA l l NA l

-7 .8.9 10 11 44 45 80 PERSONNEL ENPOSURES y l 0] $l 0l@lTl@[ NA l PERSONNE L INJU IES NUMBER oESCRipriONh

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8403010133 840222 NA l 7 8 9 Ti i2 80 LOSS CF OR DAMAGE To FACILITY PDR ADOCK 05000325 S

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, ,,,,, M. J. Pastva, Jr. PHONE:

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@p&L Carolina Power & Light Company SkYicS Y r$$ ant P. O. Box 10429 Southport, NC 28461-0429 February 22, 1984 FILE: B09-13510C SERIAL: BSEP/84-0418 Mr. James P. O'Reilly, Administrator U. S. Nuclear Regulatory Commission Region II, Suite 3100 101 Marietta Street N.W.

Atlanta, GA 30303 BRUNSWICK STEAM ELECTRIC PLANT, UNIT NO. 1 D0';KET NO. 50-325 LICENSE NO. DPR-71 SUPPLEMENT TO LICENSEE EVENT REPORT 1-83-57

Dear Mr. O'Reilly:

In accordance with Sectfun 6.9.1.9b of the Technical Specifications for Brunswick Steam Elec ric Plant, Unit No. 1, the enclosed supplemental Licensee Event Report is submftted. The original report fulfilled the requirement for a written report within thirty (30) days of a reportable occurrence and Loth are in accordance with the format set forth in NUREG-0161, July 1977.

Very truly yours, I' T C. R. D %tz, General Manager Brunswick Steam Electric Plant RMP/ kcl /LETJH1 cc: Mr. R. C. DeYoung NRC Document Control Desk OFFICIAL COPY !

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