ML19208D431: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:}}
{{#Wiki_filter:-395g.y ,- ~ -.- .--~,,...LICENSEE EVENT REPORT
("-'coNTnot ritock: [
{l\\\\@(PLE ASE PmfJT On TYFE ALL REQUtRCO INFOht.tATION)
O SQJ l Cl Al Xd !!l 2jh1d 0 I O l 0 l 0 l 0 l0 l0 l0l0 l@l 4 l 1 { 1 l I Qj@]
lQ I I s a, ucu.se T,n ao u CA n uCtP.sc e.t,vi.rm s s vet .at cc:t i4 6 I9 @ 019 M 9l7l4 h l L }@[ 01 5 l 0 l 0] O I 3 l 6 l 6 h[0 l 9 l !_j 2_ l 7. o. , .24 6 HtPG't1OAIE i,0_.'l.LltJ 63 (Vi r.1 C A r g C bl DQ*.CT*.vetEq 8 Vs Af 40 PROB AGLE CONSEOUE' ICES h T] lThe itPCI flow centrol loop was found to be inoperative.
This dcfic!cucy trould not
]EVENT DEccmPTIOt:
, There Eac no ls.in raanual or auto.
allow the ryste.n to perf orn its designed function q]There have been no previous reports of signilar occurrences y y7] laffect oa the environc.
_. .d 31D '--1 IID L--1-.io* l__l mT] I__LO C O \t P.VttVE 1 6 9$Y 3 f f \1 C# U5E C AU5E CCOE CCCt S JCGCE CCWCNE*.T C332 SUSCLD;S U S C O'.n f
_18 1)2G?t, 9 10 11 12_IJ RCVffiCN OCCU M ENCE P!rCnT SECUEN TI AL CLCE TYPE.P. O .Ri #0MT P. 3 O,35 17 19 J L-J l o f M 61 1-1 lol1J l '. I ld to I..f YiNT TC#H ggq,g u u 21 24 u v:s_n so Ja n.ATT ACH":NT P,c r.O. a ppan Co.9, CCt;Ctyyt*
* 0 7.CN ? t A''T P/ N OR POURS ga :lil f D FC W SUB.sui'Lif k U Astr A :it n lt
---ACTION Fu . mi EFFMT$ 4U T SO'fd 12J@!,7. J@)
{ /JtTo)N.o@MLoJ_oM]W@lNl@INl@lwI2l930!g IA.:N..,.at 4a 41 42 43 4s 47 3a c, usE ornmmor. a:m cowcTivt AcTiom h 33 s in the turbine control ican.
Thel{@l Investiget.icns revealed a ba-! ram generator
_.RQ{rarip genera t or was replacci and the centrol loop functienally tested to ensure
_]of 'f ailure of the rarp g[nerator would have bcea det ected; The c.od e gglproper opera tion.
due to the inab1]ity to taove the turbine control j y { dut ing, routine operability testino,'l~vatve to pon i t iInu gree t er than 40% open.
e,{T}g l1 s s''t TH O3 OF DISCOVERY r t scsti?TIO'.
FA;ItlTY obt! n 0T ATL';
C,i .,C O .'; H Y e'.STAtu;* r O',*A'j NA Jl Bj @ [ Operator Obcervatica _(O.[ ] W @ Ql3l3 @[
44 (a 45.7 J 9 IJ Il 13't.C i t V & T Y C ON T! N?
tec AnO9 0; F ttr eac cre ureat exOum or e cTiviTv l3 7 NAl[NA-o p(tt Asts e'I b. lr. ]N;,[r}.G j 1. v v 44 c , ,, nnsw.u e e.a s PJU* t E r. H TvPE (sC ;CPIP T I ON
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.____._! _ i_ !. .'L f I i I' t * { O e{ . H i 9 T .Q *J A.u- - - .___ .Q e3 ;..' " cv u s 912___3_6_7 ~i / P '
!*A >su- - - _ _ . _ . _ .
.-R T. N ix. _ _ _ _ _ _
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Revision as of 12:56, 5 September 2019

LER 79-096/03L-0:on 790912,HPCI Flow Control Loop Inoperative.Caused by Bad Ramp Generator in Turbine Control Loop.Generator Replaced & Loop Functionally Tested to Ensure Operability
ML19208D431
Person / Time
Site: Hatch Southern Nuclear icon.png
Issue date: 09/19/1979
From: Nix R
GEORGIA POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19208D430 List:
References
LER-79-096-03L, LER-79-96-3L, NUDOCS 7909280416
Download: ML19208D431 (1)


Text

-395g.y ,- ~ -.- .--~,,...LICENSEE EVENT REPORT

("-'coNTnot ritock: [

{l\\\\@(PLE ASE PmfJT On TYFE ALL REQUtRCO INFOht.tATION)

O SQJ l Cl Al Xd !!l 2jh1d 0 I O l 0 l 0 l 0 l0 l0 l0l0 l@l 4 l 1 { 1 l I Qj@]

lQ I I s a, ucu.se T,n ao u CA n uCtP.sc e.t,vi.rm s s vet .at cc:t i4 6 I9 @ 019 M 9l7l4 h l L }@[ 01 5 l 0 l 0] O I 3 l 6 l 6 h[0 l 9 l !_j 2_ l 7. o. , .24 6 HtPG't1OAIE i,0_.'l.LltJ 63 (Vi r.1 C A r g C bl DQ*.CT*.vetEq 8 Vs Af 40 PROB AGLE CONSEOUE' ICES h T] lThe itPCI flow centrol loop was found to be inoperative.

This dcfic!cucy trould not

]EVENT DEccmPTIOt:

, There Eac no ls.in raanual or auto.

allow the ryste.n to perf orn its designed function q]There have been no previous reports of signilar occurrences y y7] laffect oa the environc.

_. .d 31D '--1 IID L--1-.io* l__l mT] I__LO C O \t P.VttVE 1 6 9$Y 3 f f \1 C# U5E C AU5E CCOE CCCt S JCGCE CCWCNE*.T C332 SUSCLD;S U S C O'.n f

_18 1)2G?t, 9 10 11 12_IJ RCVffiCN OCCU M ENCE P!rCnT SECUEN TI AL CLCE TYPE.P. O .Ri #0MT P. 3 O,35 17 19 J L-J l o f M 61 1-1 lol1J l '. I ld to I..f YiNT TC#H ggq,g u u 21 24 u v:s_n so Ja n.ATT ACH":NT P,c r.O. a ppan Co.9, CCt;Ctyyt*

  • 0 7.CN ? t AT P/ N OR POURS ga :lil f D FC W SUB.sui'Lif k U Astr A :it n lt

---ACTION Fu . mi EFFMT$ 4U T SO'fd 12J@!,7. J@)

{ /JtTo)N.o@MLoJ_oM]W@lNl@INl@lwI2l930!g IA.:N..,.at 4a 41 42 43 4s 47 3a c, usE ornmmor. a:m cowcTivt AcTiom h 33 s in the turbine control ican.

Thel{@l Investiget.icns revealed a ba-! ram generator

_.RQ{rarip genera t or was replacci and the centrol loop functienally tested to ensure

_]of 'f ailure of the rarp g[nerator would have bcea det ected; The c.od e gglproper opera tion.

due to the inab1]ity to taove the turbine control j y { dut ing, routine operability testino,'l~vatve to pon i t iInu gree t er than 40% open.

e,{T}g l1 s st TH O3 OF DISCOVERY r t scsti?TIO'.

FA;ItlTY obt! n 0T ATL';

C,i .,C O .'; H Y e'.STAtu;* r O',*A'j NA Jl Bj @ [ Operator Obcervatica _(O.[ ] W @ Ql3l3 @[

44 (a 45.7 J 9 IJ Il 13't.C i t V & T Y C ON T! N?

tec AnO9 0; F ttr eac cre ureat exOum or e cTiviTv l3 7 NAl[NA-o p(tt Asts e'I b. lr. ]N;,[r}.G j 1. v v 44 c , ,, nnsw.u e e.a s PJU* t E r. H TvPE (sC ;CPIP T I ON

._. ._#r3 L 7 s >u i: 13 M H50 ;'.E t aN JumCS r.uv u n at:cn.t rio 4 lNA'{_ [0 [0 l Oj@[

t3 i e 9 n i .-to ,or m tw.w,: a v.atitv

,.b)J iist , c,g; . ; g ,.A .v . _NA')(Z[vS[., a h h J ..!, , e__"_..._ ____

.____._! _ i_ !. .'L f I i I' t * { O e{ . H i 9 T .Q *J A.u- - - .___ .Q e3 ;..' " cv u s 912___3_6_7 ~i / P '

!*A >su- - - _ _ . _ . _ .

.-R T. N ix. _ _ _ _ _ _

ri,o ne c