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)

Text

#LICENSEE EVENT REPORT

.'CONTROL BLOCK:

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ll@7 8 9 LICENSEE COOE 14 UCENSE NUM8ER 25 26 LICENSE TYPE JO 57 CAT 63 CON'T 9 1l Al 719 @l1 10 0 l9 l7 [9 g f0Iil unN dl0 5 l0 l- 10 l 3 l 2 14 @l 0

"i 8 60 81 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT QATE 80 EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h raicenr kn f i d 4 n g , eh n nuviliarv onerator noticed thatl

[0_L2_] lWhile makine a normal tour of tha ITITl Ithe suppression pool water temperature recorder on the remote shutdown panel.

I LO_L4J l2CAC-TR-778. war inoperable.

I Lo_j__J ITechnical Specifications 3.3.5.2. 6.9.1.9b l0 6l, ITITl I 1 ,!0 8 OE CODE SU8C E COMPONENT CODE SUB ode SU E[S l B l@ [_E_jh W h l I l N l S l T l R l U h l R @ yh O 9 7 8 9 10 11 12 13 18 19 20 SEQUE NTI AL OCCURRENCE REPORT REVISION.LE R/RO EVENT YEAR REPORT NO.

CODE TYPE NO.h ,Rf[7l9[--J l 0l 8l 5l yl0l3llL ll-ll0lUM_ 21 22 23 24 26 27 28 29 30 31 32 KN AC O ON T M O HOURS S8 1 FOR 8.SU LE MANUF RER QI Xl@[,Z_jgl36Z l@l 0l 0l 0 0l W Q[g glAl@X l 9 l 9 l 9 l@

33 34 35 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i o IUpon investigation, it was found that the K-3 relav was dirty and not making good lW contact. Ele contacts were burnished and the recorder returned to service. A pre-Iventive maintenance program is now being performed on this recorder and should prevent 1 2 g l a rec.urrence of this type.

The manufacturer is being consulted about a more reliable l I relay to use for the K-3 functf on.

1 4 7 8 9 80 STA% POWER oTHER STATUS DIS O RY DISCOVERY DESCRIPTION

[,1_[5_J [E_,jh 0 l 8 l 2 l@l NA ll A l@l Operator Surveillance lA VITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

[Z_jh@l NAlNAl1 6 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE 39 Il 0 l 0 l 0 lhWhl DESCRIPTION lNA 1 7 PERSONNE L INJURIES oEScaiPriONh j j f} }-NuuSERll 0 l 0 l 0 lhl NA 1 s 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY h TYPE DESCRIPTION v Lz_]@l NAl' 9 80 7 8 9 to 7 91 -017 0 <. ~ ! PU80 CITY NRC USE ONLY 45{_gj NAllllllllllllIl:*: isSuEo@loESCRiniON v >2 0 80 5 7 8 9 10 68 69-$A. C. To111 son, Jr. ~E: NAME OF PREPARER}}