ML19259B434: Difference between revisions
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{{#Wiki_filter:~ ' ~ ~ | {{#Wiki_filter:~ ' ~ ~ | ||
: u. s. nuCLEAa P.EcutAicav ConwN | : u. s. nuCLEAa P.EcutAicav ConwN | ||
;nE s oa?.i :s * | ;nE s oa?.i :s * | ||
,7 77) . LICENSEE EVENT REPOP.T ON) | ,7 77) . LICENSEE EVENT REPOP.T ON) | ||
| Line 32: | Line 27: | ||
!a lil [Il Ll Dl RI Sl 2j@[0l 0l -l 0l O! 0l 0l 0] - l 0 l 0 j@64 l l j 1 14 !5 uCU.SE W.NER a 2 UCEME TYPE JJ 3 3 LICENSEE COOE j@ | !a lil [Il Ll Dl RI Sl 2j@[0l 0l -l 0l O! 0l 0l 0] - l 0 l 0 j@64 l l j 1 14 !5 uCU.SE W.NER a 2 UCEME TYPE JJ 3 3 LICENSEE COOE j@ | ||
CCN'T 5 l 0 j 0 l 0 l 2 l 3 l 7}@l 01 1l 1 l 1{ 7 l 9 j@[ 01 1121 41 74 5 RE*CRT OAT 5 8J 3c[n$ ( Lj@[0{ | CCN'T 5 l 0 j 0 l 0 l 2 l 3 l 7}@l 01 1l 1 l 1{ 7 l 9 j@[ 01 1121 41 74 5 RE*CRT OAT 5 8J 3c[n$ ( Lj@[0{ | ||
63 63 Es ENT OATE IoIi OCCK ET N U".* 3 E R | 63 63 Es ENT OATE IoIi OCCK ET N U".* 3 E R | ||
' d 60 61 EVENT DESCRIPTICfJ AND DROBAsLE CONSECUE*4CESl h Mo-2-1501-38B failed to j Fo12: | ' d 60 61 EVENT DESCRIPTICfJ AND DROBAsLE CONSECUE*4CESl h Mo-2-1501-38B failed to j Fo12: | ||
| Line 42: | Line 35: | ||
p ia[} opened but could not be closed from the control room. Safety j Valve was manually closed and taken out of service. | p ia[} opened but could not be closed from the control room. Safety j Valve was manually closed and taken out of service. | ||
3 ,3] ; operating the. valve. he line Could be Closed to prevCSt j | 3 ,3] ; operating the. valve. he line Could be Closed to prevCSt j | ||
[0 l6 l l Significance was miniflal since a seCond Valve in t | [0 l6 l l Significance was miniflal since a seCond Valve in t l | ||
l | |||
[aj7); flow. This is the first failure of this valve. | [aj7); flow. This is the first failure of this valve. | ||
~ | ~ | ||
d 53 C C'J P. VAJ/E oee I SUSCCOE SUSCOOE CAUSE CAUSE CCVPONENT CCDE SYSTE?.1 SUSCOOE CCOE is l Fj@ LE_jh [B_j h lV l A lL [V l0 lP }h Wh d h CCDE ZJ | d 53 C C'J P. VAJ/E oee I SUSCCOE SUSCOOE CAUSE CAUSE CCVPONENT CCDE SYSTE?.1 SUSCOOE CCOE is l Fj@ LE_jh [B_j h lV l A lL [V l0 lP }h Wh d h CCDE ZJ | ||
| Line 61: | Line 51: | ||
l I C LU i LNJ@ Lll@ LNJ@ 44 L^J8LU@ LzJ@ 06 35 LU@ 3/ 4J 41 42 43 33 N motor shaft, j cAusE cEsCaiPTio:4 ANo ccaaEcTivE AcTiCNs @ | l I C LU i LNJ@ Lll@ LNJ@ 44 L^J8LU@ LzJ@ 06 35 LU@ 3/ 4J 41 42 43 33 N motor shaft, j cAusE cEsCaiPTio:4 ANo ccaaEcTivE AcTiCNs @ | ||
, ,g | , ,g | ||
{The cause of the f ailure was a broken pinion l d three gear times on fromthe v j The pinion gear was replaced and the valve was successfully cyc e j | {The cause of the f ailure was a broken pinion l d three gear times on fromthe v j The pinion gear was replaced and the valve was successfully cyc e j No further corrective action is phnned. | ||
No further corrective action is phnned. | |||
the control room. l | the control room. l | ||
, 9 l | , 9 l | ||
3 | 3 | ||
' J liiali S3 t | ' J liiali S3 t | ||
!I ! }l OtSCOVERY DESCR(PTICN j | !I ! }l OtSCOVERY DESCR(PTICN j 7 a 9 oTHEr' ST ATUS IS 9 HY ~ | ||
7 a 9 oTHEr' ST ATUS IS 9 HY ~ | |||
57 | 57 | ||
% POWER NA J 1!@lOperationalEvent | % POWER NA J 1!@lOperationalEvent | ||
$0 t s d | $0 t s d | ||
y@ [o0l9l1j@( | y@ [o0l9l1j@( | ||
| Line 80: | Line 64: | ||
7 Activity #oNTENT A?.tCUNT 05 ACTivtTV NA 5J RELEASED OF RELE ASE NA __ } l | 7 Activity #oNTENT A?.tCUNT 05 ACTivtTV NA 5J RELEASED OF RELE ASE NA __ } l | ||
) 44 45 | ) 44 45 | ||
; l1 ful 10 | ; l1 ful 10 II j d 9 | ||
II j d 9 | |||
. 39 | . 39 | ||
{ PER5 Cit *;EL EXPG0tAES OCSCmPTICN Su T V'P E NUtt3 E R IiI718 9l nI oI n O k h [ ~ N/A 7 | |||
{ PER5 Cit *;EL EXPG0tAES | |||
OCSCmPTICN Su T V'P E NUtt3 E R IiI718 9l nI oI n O k h [ ~ N/A 7 | |||
1I 12 13 | 1I 12 13 | ||
] | ] | ||
PE RSONNE L !NJ'JRIES 60 e C ESCmPTIC'4 NUMSER . | PE RSONNE L !NJ'JRIES 60 e C ESCmPTIC'4 NUMSER . | ||
NA ji l 4 l l0 10 10 j@l_12 11 7 d 3 LOSS OF CR C At* AGE TC (/ f <C1LITY h r TYPE OET CR t P TIC S i | NA ji l 4 l l0 10 10 j@l_12 11 7 d 3 LOSS OF CR C At* AGE TC (/ f <C1LITY h r TYPE OET CR t P TIC S i | ||
3 3 | 3 3 i 7 3 3 ?O OESCmPTICN .. | ||
i 7 3 3 ?O OESCmPTICN .. | |||
a 79020903(Y i 63 63 i iii o iiii i o - | a 79020903(Y i 63 63 i iii o iiii i o - | ||
imiiNisl ISSUE | imiiNisl ISSUE 1C | ||
1C | |||
-- .$99 7 8 3 * | -- .$99 7 8 3 * | ||
* s- ' ~~~.s - ,e}} | * s- ' ~~~.s - ,e}} | ||
Latest revision as of 23:14, 1 February 2020
| ML19259B434 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 01/24/1979 |
| From: | COMMONWEALTH EDISON CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML17173A584 | List: |
| References | |
| LER-79-004-03L, LER-79-4-3L, NUDOCS 7902090344 | |
| Download: ML19259B434 (1) | |
Text
~ ' ~ ~
- u. s. nuCLEAa P.EcutAicav ConwN
- nE s oa?.i
- s *
,7 77) . LICENSEE EVENT REPOP.T ON)
(PLEASE PRINT OR TYPE ALL REcotREO INFOR*.iA cCNTRot stock: li l l l l l
)@
O l lg
$7 JAT 53
!a lil [Il Ll Dl RI Sl 2j@[0l 0l -l 0l O! 0l 0l 0] - l 0 l 0 j@64 l l j 1 14 !5 uCU.SE W.NER a 2 UCEME TYPE JJ 3 3 LICENSEE COOE j@
CCN'T 5 l 0 j 0 l 0 l 2 l 3 l 7}@l 01 1l 1 l 1{ 7 l 9 j@[ 01 1121 41 74 5 RE*CRT OAT 5 8J 3c[n$ ( Lj@[0{
63 63 Es ENT OATE IoIi OCCK ET N U".* 3 E R
' d 60 61 EVENT DESCRIPTICfJ AND DROBAsLE CONSECUE*4CESl h Mo-2-1501-38B failed to j Fo12:
l During steady operation the LPCI system full flow test va ve The valve ]
down the torus.
"D" LPCI pump after pumping
- a i3 j [ operate while securing the The breaker did not trip while]
p ia[} opened but could not be closed from the control room. Safety j Valve was manually closed and taken out of service.
3 ,3] ; operating the. valve. he line Could be Closed to prevCSt j
[0 l6 l l Significance was miniflal since a seCond Valve in t l
[aj7); flow. This is the first failure of this valve.
~
d 53 C C'J P. VAJ/E oee I SUSCCOE SUSCOOE CAUSE CAUSE CCVPONENT CCDE SYSTE?.1 SUSCOOE CCOE is l Fj@ LE_jh [B_j h lV l A lL [V l0 lP }h Wh d h CCDE ZJ
?d 19 REVISION 13 REFCRT jojat 9 to il 12 - oCCU9AENCE TYPE N O.
[_0j 7 3 LER-RO
, EVENT YE Ar1 REPORT NC.
l0l0l4j d l 0l 3] W JJ
[--J 31 32 O gegT 17191 21
[ -j 03 24 26 27 28 AT' A CY 9 E NT P. PRO.J PRIV f COYP.
CCVPCNENT MANUFACTU-ER 21 SUPf li E R m
EF:ECT SFUTOC'/IN NCURS 22 SUS *.HTIED F OR?.t s L 3.
LL 12 i o ( 470 jg ACTION 71/TU9 E TA<!N ACTICN oN FLM.T . E D OO V
l I C LU i LNJ@ Lll@ LNJ@ 44 L^J8LU@ LzJ@ 06 35 LU@ 3/ 4J 41 42 43 33 N motor shaft, j cAusE cEsCaiPTio:4 ANo ccaaEcTivE AcTiCNs @
, ,g
{The cause of the f ailure was a broken pinion l d three gear times on fromthe v j The pinion gear was replaced and the valve was successfully cyc e j No further corrective action is phnned.
the control room. l
, 9 l
3
' J liiali S3 t
!I ! }l OtSCOVERY DESCR(PTICN j 7 a 9 oTHEr' ST ATUS IS 9 HY ~
57
% POWER NA J 1!@lOperationalEvent
$0 t s d
y@ [o0l9l1j@(
'J t 12 11 44 45, 46 LOCATION CF RELE AM ~ j e
7 Activity #oNTENT A?.tCUNT 05 ACTivtTV NA 5J RELEASED OF RELE ASE NA __ } l
) 44 45
- l1 ful 10 II j d 9
. 39
{ PER5 Cit *;EL EXPG0tAES OCSCmPTICN Su T V'P E NUtt3 E R IiI718 9l nI oI n O k h [ ~ N/A 7
1I 12 13
]
PE RSONNE L !NJ'JRIES 60 e C ESCmPTIC'4 NUMSER .
NA ji l 4 l l0 10 10 j@l_12 11 7 d 3 LOSS OF CR C At* AGE TC (/ f <C1LITY h r TYPE OET CR t P TIC S i
3 3 i 7 3 3 ?O OESCmPTICN ..
a 79020903(Y i 63 63 i iii o iiii i o -
imiiNisl ISSUE 1C
-- .$99 7 8 3 *
- s- ' ~~~.s - ,e