ML20002D926

Updated LER 79-009/03L-1:on 790226,during test,21 Svc Water Heat Exchanger Saltwater Outlet Throttle Valve Failed to Open Upon Receipt of Signal.Caused by Packing Deterioration & Accompanying Seizure to Shaft.Shaft Cleaned

ML20002D926
Person / Time
Site:
Issue date:	01/20/1981
From:	Carroll J, Pence W BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20002D925	List:
References
LER-79-009-03L, NUDOCS 8101230461
Download: ML20002D926 (2)

Text

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.. g U. S. NUCLEA2 REIULATORY COMMISSION RRC FORM 366 am

• l LICENSEE EVENT REPORT F0 LLON - U P

{ s CONTROL SLOCK: l i

l l l l l lh e

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

O 1 lMlOlClCINI2'l@l0101-10101010101-10101@l4111111]ll@l uCENSE NUMBER 25 26 uCENSE TYPE JO I

57 CAT 58 l@

7 8 9 LICENSEE CODE le 15 CON'T IOIiI 3v,3iLl@l015l01010l3l1l8l@l012l2l6l7l9l@l0l1l210l8l1l@

6d t>9 EVENT DATE 74 75 REPORT QATE 80

? 8 60 61 DOCKET NUM8ER l

EVENT DESCRIPTION AND PROBABLE CCNSECUENCES h 10121 I Durino nerformance of surveillance testina, 21 service water heat ex- 1 l I

FO lT1 l chancer saltwater outlet throttle valve fa4ed to ocen ucon recef ot of I

iO ui I a SIAS sicnal at 1330. The valve was immediate1v ocened with its asso-  ;

I iO isi I ciated handswitch and was maintained ocen until corrective action was i

iO is i I comoleted. 22 service water heat exchancer remained fullv coerable 10171 I throuchout this event. This is not a recetitive occurrence. I I

10681I 80

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CCI:'E "^"$I CC $8C$5E CouPONENT CODE Su8 CIDE SUN"CoE lOl91 7 8 l NI Al@ W@ l Z l@ lV l A lL IV lE IX l@ lB l@ l Gl@

9 10 11 12 13 18 19 20 OCCURRENCE REPORT REVISION SEQUENTIAL REPORT NO. CODE TYPE NO.

EVE *.T YEAR

@ , reg LER/RO

(--.j l0p l9l y 10 l3 l l Ll [--J l1 l l217 22l9 l 23 24 26 27 28 29 30 31 32 K N AC 0 0 P 7 Mb HOURS 22 58 i POR 8. SUP L E MANUFAC RER l33X ]gl34Gl@ l35Z l@ lZl@

36 l0l0l0l 37 l

40 gg el l2N lg 4 l43Al@ 44 l F l 1 l 2 l 7 lg 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h It iOI l  ?-CV 000 nneratinn hindrance was carrend hv nackinn dp+nr4nratinn and I 9haf* wac elpanad re na ctm d and the I L.'-.Li_] l acenrnanvinn inimre tn thaft_

I L' 1.2_.) I valve tested satisfactorilv. FCR 20-0017 and A0 101'1 which add a rub.

I L' L3 J l berlined snooloieco and rubberlined valve unstrean of this valve have L'_L* I I boon imnlemantad and plin;, ate the naad fnr this valva. I 80 I 7 8 9

% POWER OTHER STATUS S RY DISCOVERY OESCRIPTION STA g lE l@ l 0 'l 9 l 8 l@l NA l lBl@l Surveillance Test l u 80

' ' '2 n 45 A!TiviTY CO# TENT KELEASE AMOUNT OF ACTavlTY LOCATION OF RELEASE NA l l NA l I

l i i s* *l l z l @D

' ' OF RELEASE l z l@l " *

,ERSO~~EL Ex,OSeES NUM8ER TvPE DESCR, TION @

l l i l 71 1010 l0 l@l 2 l@l ""

,ER$0N~E L iN2JiES NUM9ER DESCRIPT10N W l01010l@l 7 8 9 it 12 NA _,

80 l

LOSS OF OR DAMACE TO FACluTY Q DESCRIPTION N/

l 7

i 9 8 9 TYPE @i to NA 80

• I ISSU ED

[2,10 ) I N l@DE l CRIPTION NA l lllIIIIIIIIIl}

68 69 80 5 7 8 9 1

. _ .(301L 2s9-473a/4915 n 0123 0 .. ..) ------.-- tr. carrn11 m.n . nonco

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LER NO. 79-09/3L Rev. 1 00CXET NO. 50-318 LICENSE NO. OPR-69 EVENT DATE 2-26-79 '

REPORT DATE 1-20-81 ATTACH"ENT __

CAUSE DESCRIPTION AND COR,RECTIVE ACTIONS (CONT'0)_

2-CV-5209 ooeration hindrance was caused b'y cackina deterioration and accocoanyina seizure to shaft. Shaft was cleaned, reoacked, and the valve tested satisfactorily. FCR 80-0017 and 80-1012 which add a rub-berlined spoolcicce and rubberlined valve uostream of this valve have been imnlemented and eliminate the need for this valve. 2-CV-520' das been locked ooen and removed from surveillance test coverace.

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