ML19209C685

LER 79-085/03L-0:on 790918,suppression Cool Water Temp Recorder on Remote Shutdown Panel Was Inoperable.Caused by Dirty Relay & Poor Electrical Contact.Contacts Cleaned & Recorder Returned to Svc

ML19209C685
Person / Time
Site:	Brunswick
Issue date:	10/09/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19209C682	List: ML19209C681 ML19209C685
References
LER-79-058-03L-02, LER-79-58-3L-2, NUDOCS 7910170216
Download: ML19209C685 (1)

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. LICENSEE EVENT REPORT

' (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

CONTROL BLOCK:

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CON'T f0Iil unN dl0 5 l0 l- 10 l 3 l 2 14 68@l 690 9EVENT 1l DATE Al 719 74@l175 10 REPORT 0 l9 l7 [9 g QATE 80 i 8 60 81 DOCKET NUMBER EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h

[0_L2_] lWhile makine a normal tour of tha raicenr kn f i d 4 n g , eh n nuviliarv onerator noticed thatl ITITl Ithe suppression pool water temperature recorder on the remote shutdown panel. I I

LO_L4J l2CAC-TR-778. war inoperable.

Lo_j__J ITechnical Specifications 3.3.5.2. 6.9.1.9b l 0 6 l ,

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33 34 35 l36Z l@31 40 41 42 43 44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i o IUpon investigation, it was found that the K-3 relav was dirty and not making good l W contact. Ele contacts were burnished and the recorder returned to service. A pre-1 2 Iventive maintenance program is now being performed on this recorder and should prevent g l a rec.urrence of this type. The manufacturer is being consulted about a more reliable l 1 4 I relay to use for the K-3 functf on.

7 8 9 80 STA  % POWER oTHER STATUS DIS O RY DISCOVERY DESCRIPTION

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7 8 9 11 PERSONNEL EXPOSURES 39 I NUMBER TYPE 1 7 l 0 l 0 l 0 lhWhl DESCRIPTION NA l PERSONNE L INJURIES 1 s NuuSER oEScaiPriONh j j f } }- l 7 8 9 l 0 l 0 l 0 lhl NA11 12 80 LOSS OF OR DAMAGE TO FACILITY h TYPE DESCRIPTION v

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