05000318/LER-1979-009-03, 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: Difference between revisions

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{{Adams
#REDIRECT [[05000318/LER-1979-009-03, /03L-0 on 790226:svc Water Heat Exchanger Saltwater Outlet Throttle Valve 21 Failed to Open on Signal.Cause Unknown.Valve Will Be Repaired During Next Outage]]
| number = ML20002D926
| issue date = 01/20/1981
| title = 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
| author name = Carroll J, Pence W
| author affiliation = BALTIMORE GAS & ELECTRIC CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
| docket = 05000318
| license number =
| contact person =
| document report number = LER-79-009-03L, NUDOCS 8101230461
| package number = ML20002D925
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 2
}}
{{LER
| Title = 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
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000318
| LER year = 1979
| LER number = 9
| LER revision = 3
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
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U. S. NUCLEA2 REIULATORY COMMISSION RRC FORM 366*
am LICENSEE EVENT REPORT U P F0 LLON
{
CONTROL SLOCK: l l
l l
l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) s i
e lMlOlClCINI2'l@l0101-10101010101-10101@l4111111]ll@l I
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O 1 7
8 9 LICENSEE CODE le 15 uCENSE NUMBER 25 26 uCENSE TYPE JO 57 CAT 58 CON'T 3v,3iLl@l015l01010l3l1l8l@l012l2l6l7l9l@l0l1l210l8l1l@
IOIiI
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8 60 61 DOCKET NUM8ER 6d t>9 EVENT DATE 74 75 REPORT QATE 80 EVENT DESCRIPTION AND PROBABLE CCNSECUENCES h 10121 I Durino nerformance of surveillance testina, 21 service water heat ex-1 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 ciated handswitch and was maintained ocen until corrective action was I
iO isi I iO is i I comoleted.
22 service water heat exchancer remained fullv coerable i
10171 I throuchout this event. This is not a recetitive occurrence.
I I
10681I 80 Su8 CIDE SUN"CoE CCI:'E
"^"$I
$8C$5E CouPONENT CODE
^'
CC l NI Al@ W@ l Z l@ lV l A lL IV lE IX l@ lB l@ l Gl@
lOl91 7
8 9
10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER/RO EVE *.T YEAR REPORT NO.
CODE TYPE NO.
@, reg l217 l9 l
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10 l3 l l Ll
[--J l1 l 22 23 24 26 27 28 29 30 31 32 Mb HOURS 22 58 i POR 8.
SUP L E MANUFAC RER K N AC 0 0 P 7
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l0l0l0l l gg l2N lg l43Al@l F l 1 l 2 l 7 lg 33 35 36 37 40 el 4
44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h It iOI l
?-CV 000 nneratinn hindrance was carrend hv nackinn dp+nr4nratinn and I
L.'-.Li_] l acenrnanvinn inimre tn thaft_
9haf* wac elpanad re na ctm d and the 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 I
I L'_L* I I boon imnlemantad and plin;, ate the naad fnr this valva.
80 I
7 8 9 STA
% POWER OTHER STATUS S
RY DISCOVERY OESCRIPTION g lE l@ l 0 l 9 l 8 l@l NA l
lBl@l Surveillance Test l
'2 n
u 45 80 A!TiviTY CO# TENT KELEASE AMOUNT OF ACTavlTY LOCATION OF RELEASE l i i s l l z l @D OF RELEASE l z l@l NA l
l NA l
I
,ERSO~~EL Ex,OSeES DESCR, TION @
NUM8ER TvPE l i l 71 1010 l0 l@l 2 l@l l
,ER$0N~E L iN2JiES NUM9ER DESCRIPT10N l
W l01010l@l NA 80 7
8 9 it 12 LOSS OF OR DAMACE TO FACluTY Q
 
==DESCRIPTION==
N/
TYPE @i l
NA i 9 80 7
8 9 to [2,10 ) I N l@DE CRIPTION ISSU ED l
NA l
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68 69 80 5 n 0123 0....) ------.-- tr. carrn11 m.n. nonco 7
8 9 1
. _.(301L 2s9-473a/4915
 
f I
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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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}}
 
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Latest revision as of 02:02, 3 January 2025