ML19319E541: Difference between revisions
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: CONTROL BLOCK:l l l l I I I (PLEAsE PRINT ALL REGUIRED INPORedATEDet) | : CONTROL BLOCK:l l l l I I I (PLEAsE PRINT ALL REGUIRED INPORedATEDet) | ||
I 6 1 | I 6 1 | ||
TAME LCENSE NUMBER . | TAME LCENSE NUMBER . | ||
1AIRl4lKl(Ill | 1AIRl4lKl(Ill 10101-101010101o1-10101 141/ Ill/l/l 10131 7 89 , 14 15 25 26 30 31 32 CATEGORY Typt 50 COCKET NUMBER EVENT OATE REPOAT CATE 01CONil 7 "1B I I LL-J LLJ 1015101-10131'13I II I.2. l o t /1716 I I i 121 s 1o 1714 I 57 58 59 60 E1 68 69 74 75 + 80 EVENT DESCRIPTION 08 @dMoun 'rsvene- s17 tis" anwet f99 'fe 5Ph LEAWA6E' is/41 'museerEMED eM A uGLs 'n o A*zTt f4 M i 7 89 ' | ||
10101-101010101o1-10101 141/ Ill/l/l 10131 7 89 , 14 15 25 26 30 31 32 CATEGORY Typt 50 COCKET NUMBER EVENT OATE REPOAT CATE | |||
01CONil 7 "1B I I LL-J LLJ 1015101-10131'13I II I.2. l o t /1716 I I i 121 s 1o 1714 I 57 58 59 60 E1 68 69 74 75 + 80 EVENT DESCRIPTION 08 @dMoun 'rsvene- s17 tis" anwet f99 'fe 5Ph LEAWA6E' is/41 'museerEMED eM A uGLs 'n o A*zTt f4 M i 7 89 ' | |||
80 DE Ior VaEva v-io. A ,1s -reveruAx,- w asYe Atn no rexe rwa raus c asear . A 1rs -I. | 80 DE Ior VaEva v-io. A ,1s -reveruAx,- w asYe Atn no rexe rwa raus c asear . A 1rs -I. | ||
7 89 80 DE IPMNFTRAer TEYT* of Tyr VALV6 Addf SF-10 YAlvf 37-fl RGvCALD A CR M rH TNT MrAri 7 89 ' | 7 89 80 DE IPMNFTRAer TEYT* of Tyr VALV6 Addf SF-10 YAlvf 37-fl RGvCALD A CR M rH TNT MrAri 7 89 ' | ||
Line 34: | Line 29: | ||
BG farrueen. (s'o - sis /74 - 34) l 7 89 ' / ' | BG farrueen. (s'o - sis /74 - 34) l 7 89 ' / ' | ||
= 80 CE CIDE COMPONENT CODE SUPPLE uauur n votafoN E IFl.Cl L5J 7 89 10 IVIAItIviElxl 12 LAJ l4131915I ty.] | = 80 CE CIDE COMPONENT CODE SUPPLE uauur n votafoN E IFl.Cl L5J 7 89 10 IVIAItIviElxl 12 LAJ l4131915I ty.] | ||
11 17 43 44 47 48 CAUSE OESCRIPTION DE I N4 1 7 89 80 BE N19 I hve sr-ll uret ne asruics o . I | 11 17 43 44 47 48 CAUSE OESCRIPTION DE I N4 1 7 89 80 BE N19 I hve sr-ll uret ne asruics o . I 80 ji I- | ||
80 ji I- | |||
's d % POWEA OTHEA STATUS O COvEAY OrSCOVERY OESCASTCN i | 's d % POWEA OTHEA STATUS O COvEAY OrSCOVERY OESCASTCN i | ||
7 8 LC 9 10 lol91' 12l I13~ u I LkJ l ua I 44 45 48 80 ACTMTV CONTENT RELEASEO OF RELEASE AMOUNT OF ACTMTV LOCATCN OF RELEASE | 7 8 LC 9 10 lol91' 12l I13~ u I LkJ l ua I 44 45 48 80 ACTMTV CONTENT RELEASEO OF RELEASE AMOUNT OF ACTMTV LOCATCN OF RELEASE | ||
.. FTil. lyj lyj i un i I us . .. I 7 8 9 10 11 44 45 80 | .. FTil. lyj lyj i un i I us . .. I 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES . ,, | ||
PERSONNEL EXPOSURES . ,, | |||
3 NUMBER TYPE CEScapTON ' | 3 NUMBER TYPE CEScapTON ' | ||
GE 1010101 1r] l v4 I 7 89 11 12 13 80 PERSONNEL INJUAIES NUMBER OESCAFTCN DE 1010101 l .NA l 7 89 11 12 80 OFFSITE CONSEQUENCES BB I WA I 7 89 4 80 LOSS OR OAMAGE TO FACIUTY TYPE DESCApTON ' | GE 1010101 1r] l v4 I 7 89 11 12 13 80 PERSONNEL INJUAIES NUMBER OESCAFTCN DE 1010101 l .NA l 7 89 11 12 80 OFFSITE CONSEQUENCES BB I WA I 7 89 4 80 LOSS OR OAMAGE TO FACIUTY TYPE DESCApTON ' | ||
7 89 10 | 7 89 10 | ||
$Y 80 PUBLICITY I | $Y 80 PUBLICITY I | ||
&I 7 89 WA | &I 7 89 WA I | ||
P 80 p}bl lACOITIONAL FACTOAS N# | |||
8004110 h-o 7 89 I 80 81 ' | 8004110 h-o 7 89 I 80 81 ' | ||
i | i NAuE M ar<n 6 krnn- ~ONd.....s4, 6 v - nu | ||
NAuE M ar<n 6 krnn- ~ONd.....s4, 6 v - nu | |||
. ' ~fi~ nT . . . . . . - | . ' ~fi~ nT . . . . . . - | ||
O 3 . | |||
s, . | s, . | ||
m> | m> | ||
- 1. Reportabic Occurrence Report No. 50-313/76-34 | - 1. Reportabic Occurrence Report No. 50-313/76-34 | ||
' 4 L | ' 4 L | ||
: 2. Report Date: 12/30/76 3. Occurrence Date: 12/1/76 | : 2. Report Date: 12/30/76 3. Occurrence Date: 12/1/76 4 Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas i | ||
4 Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas i | |||
S. Identification of Occurrence: . | S. Identification of Occurrence: . | ||
Water leakage from valve in spent fuel cooling system. | Water leakage from valve in spent fuel cooling system. | ||
: 6. Conditions Prior to Occurrence: | : 6. Conditions Prior to Occurrence: | ||
Steady-State Power X | Steady-State Power X Re~ actor Power 2542 MWth Hot Standby Net Output 829 Mwe Cold Shutdown Percent of Full Power 99 % | ||
Re~ actor Power 2542 MWth Hot Standby Net Output 829 Mwe Cold Shutdown Percent of Full Power 99 % | |||
(A) | (A) | ||
U Refueling Shutdown Load Changes During Routine Power Operation | U Refueling Shutdown Load Changes During Routine Power Operation Routine Startup Operation Routine Shutdown Qeration ,, | ||
Routine Startup Operation Routine Shutdown Qeration ,, | |||
Other (specify) , | Other (specify) , | ||
s .. | s .. | ||
: 7. Description of Occurrence: , | : 7. Description of Occurrence: , | ||
At 1715 hours on December 1,1976, leakage was discovered on a weld - | At 1715 hours on December 1,1976, leakage was discovered on a weld - | ||
downstream of Valve SF-10 between the valve and a T-section. Cause of the leakage appeared to be a small crack in the weld. A dye-penetrant , | downstream of Valve SF-10 between the valve and a T-section. Cause of the leakage appeared to be a small crack in the weld. A dye-penetrant , | ||
j test of the T-section area revealed no penetrating cracks. It was then | j test of the T-section area revealed no penetrating cracks. It was then l thought that the Icakage may have come from above on Valve SF-11. A dye-penetrant test revealed a crack in the heat affected zone of Valve SF-11. , | ||
O NSI4III-2, Rev. S Attachment "D" 5 October 1, 1976 Page 2 of 4 | |||
O | |||
NSI4III-2, Rev. S Attachment "D" 5 October 1, 1976 Page 2 of 4 | |||
e- . . . . . - - - . ~ . ,. ._. __ _. _ | e- . . . . . - - - . ~ . ,. ._. __ _. _ | ||
, . m Reportable Occurrence Report No. 50-313/76-34 4 | |||
, . m | |||
Reportable Occurrence Report No. 50-313/76-34 4 | |||
: 8. Designation of Apparent Cause of Occurrence: | : 8. Designation of Apparent Cause of Occurrence: | ||
Design Procedure Manufacture Unusual Service Condition Including Environmental , | |||
Design Procedure | |||
Manufacture Unusual Service Condition Including Environmental , | |||
Installation / | Installation / | ||
Construction , Component Failure (See Failure Data) 5 Operator _ | Construction , Component Failure (See Failure Data) 5 Operator _ | ||
Other (specify) X | Other (specify) X Unknown I | ||
Unknown | |||
I | |||
: 9. Analysis of Occurrence: | : 9. Analysis of Occurrence: | ||
Since the leakage was only a minute amo'unt and was contained in a controlled area, there was no hazard to the health.and safety of the public. 5 i | Since the leakage was only a minute amo'unt and was contained in a controlled area, there was no hazard to the health.and safety of the public. 5 i | ||
; | ; | ||
l 1 | |||
l I | |||
l | |||
I | |||
October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 | October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5 | ||
% Page 3 Of 4 | % Page 3 Of 4 | ||
-- - -, ,- , - , - - - , - ,, - , , , - .-~.-,,- . - . . - - . - | -- - -, ,- , - , - - - , - ,, - , , , - .-~.-,,- . - . . - - . - | ||
. -- - .: .- 4 . - , , . ~ . . . . _ _ , , . . . , , , | . -- - .: .- 4 . - , , . ~ . . . . _ _ , , . . . , , , | ||
-n m - 3 u | |||
o .. . | |||
-n | |||
S' _ _, P ~" . | S' _ _, P ~" . | ||
4 1 | 4 1 | ||
Reportable Occurrence Report No. 50-313/76-34 s 4 | Reportable Occurrence Report No. 50-313/76-34 s 4 | ||
- . ; | - . ; | ||
4 | 4 | ||
: 10. Corrective Action: > | : 10. Corrective Action: > | ||
C' | C' | ||
. .. ; - | . .. ; - | ||
After a dye-penetrant test was perfomed on the T-section area of f f, ' ' ,, . | After a dye-penetrant test was perfomed on the T-section area of f f, ' ' ,, . | ||
Valve SF-10 and no penetrating cracks were found, a dye-penetrant' teg .i- -- - > | Valve SF-10 and no penetrating cracks were found, a dye-penetrant' teg .i- -- - > | ||
; revealed a' crack in the body of Valve SF-11. Valve SF-11 will:be ' | ; revealed a' crack in the body of Valve SF-11. Valve SF-11 will:be ' | ||
" ; | " ; | ||
replaced. . | replaced. . | ||
.. + ..> | .. + ..> | ||
. .e - | . .e - | ||
i | i | ||
.'?. | .'?. | ||
n p-j i | |||
n p-j | |||
: ; | : ; | ||
. t t | |||
. t | |||
t | |||
~~ | ~~ | ||
: 11. Failure Data: | : 11. Failure Data: | ||
NOIE I | NOIE I | ||
s s | s s | ||
t | t l, | ||
. i t | |||
l, | |||
. i | |||
t | |||
l l | l l | ||
October 1, 1976 NSP-III-2, Rev. 5 Attachinent "D" 5 i | October 1, 1976 NSP-III-2, Rev. 5 Attachinent "D" 5 i | ||
% Page 4 of 4 | % Page 4 of 4 e | ||
e | |||
. - - - , . _ , , , , - ---,y-- ,- ,- , .- , _.----.-,y.,,.w-w. w, - - -, , , , _ - - | . - - - , . _ , , , , - ---,y-- ,- ,- , .- , _.----.-,y.,,.w-w. w, - - -, , , , _ - - | ||
, y 7-_,--_,y ,._,ys,}} | , y 7-_,--_,y ,._,ys,}} |
Revision as of 05:31, 1 February 2020
ML19319E541 | |
Person / Time | |
---|---|
Site: | Arkansas Nuclear ![]() |
Issue date: | 12/30/1976 |
From: | Mardis D ARKANSAS POWER & LIGHT CO. |
To: | |
Shared Package | |
ML19319E539 | List: |
References | |
NUDOCS 8004110804 | |
Download: ML19319E541 (4) | |
Text
.- --__ _ _ _ _ _ _ _ _
~
- - ' UCENSEE EVENT REPOP- '
- CONTROL BLOCK:l l l l I I I (PLEAsE PRINT ALL REGUIRED INPORedATEDet)
I 6 1
TAME LCENSE NUMBER .
1AIRl4lKl(Ill 10101-101010101o1-10101 141/ Ill/l/l 10131 7 89 , 14 15 25 26 30 31 32 CATEGORY Typt 50 COCKET NUMBER EVENT OATE REPOAT CATE 01CONil 7 "1B I I LL-J LLJ 1015101-10131'13I II I.2. l o t /1716 I I i 121 s 1o 1714 I 57 58 59 60 E1 68 69 74 75 + 80 EVENT DESCRIPTION 08 @dMoun 'rsvene- s17 tis" anwet f99 'fe 5Ph LEAWA6E' is/41 'museerEMED eM A uGLs 'n o A*zTt f4 M i 7 89 '
80 DE Ior VaEva v-io. A ,1s -reveruAx,- w asYe Atn no rexe rwa raus c asear . A 1rs -I.
7 89 80 DE IPMNFTRAer TEYT* of Tyr VALV6 Addf SF-10 YAlvf 37-fl RGvCALD A CR M rH TNT MrAri 7 89 '
80 h.lAFFECT1r*5 2dMf. n neman3Aur _vv m Att" AVAIL ABL G" . YAlyf ST = ll u r s t_ n G" l 7 89 80'-
BG farrueen. (s'o - sis /74 - 34) l 7 89 ' / '
= 80 CE CIDE COMPONENT CODE SUPPLE uauur n votafoN E IFl.Cl L5J 7 89 10 IVIAItIviElxl 12 LAJ l4131915I ty.]
11 17 43 44 47 48 CAUSE OESCRIPTION DE I N4 1 7 89 80 BE N19 I hve sr-ll uret ne asruics o . I 80 ji I-
's d % POWEA OTHEA STATUS O COvEAY OrSCOVERY OESCASTCN i
7 8 LC 9 10 lol91' 12l I13~ u I LkJ l ua I 44 45 48 80 ACTMTV CONTENT RELEASEO OF RELEASE AMOUNT OF ACTMTV LOCATCN OF RELEASE
.. FTil. lyj lyj i un i I us . .. I 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES . ,,
3 NUMBER TYPE CEScapTON '
GE 1010101 1r] l v4 I 7 89 11 12 13 80 PERSONNEL INJUAIES NUMBER OESCAFTCN DE 1010101 l .NA l 7 89 11 12 80 OFFSITE CONSEQUENCES BB I WA I 7 89 4 80 LOSS OR OAMAGE TO FACIUTY TYPE DESCApTON '
7 89 10
$Y 80 PUBLICITY I
&I 7 89 WA I
P 80 p}bl lACOITIONAL FACTOAS N#
8004110 h-o 7 89 I 80 81 '
i NAuE M ar<n 6 krnn- ~ONd.....s4, 6 v - nu
. ' ~fi~ nT . . . . . . -
O 3 .
s, .
m>
- 1. Reportabic Occurrence Report No. 50-313/76-34
' 4 L
- 2. Report Date: 12/30/76 3. Occurrence Date: 12/1/76 4 Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas i
S. Identification of Occurrence: .
Water leakage from valve in spent fuel cooling system.
- 6. Conditions Prior to Occurrence:
Steady-State Power X Re~ actor Power 2542 MWth Hot Standby Net Output 829 Mwe Cold Shutdown Percent of Full Power 99 %
(A)
U Refueling Shutdown Load Changes During Routine Power Operation Routine Startup Operation Routine Shutdown Qeration ,,
Other (specify) ,
s ..
- 7. Description of Occurrence: ,
At 1715 hours0.0198 days <br />0.476 hours <br />0.00284 weeks <br />6.525575e-4 months <br /> on December 1,1976, leakage was discovered on a weld -
downstream of Valve SF-10 between the valve and a T-section. Cause of the leakage appeared to be a small crack in the weld. A dye-penetrant ,
j test of the T-section area revealed no penetrating cracks. It was then l thought that the Icakage may have come from above on Valve SF-11. A dye-penetrant test revealed a crack in the heat affected zone of Valve SF-11. ,
O NSI4III-2, Rev. S Attachment "D" 5 October 1, 1976 Page 2 of 4
e- . . . . . - - - . ~ . ,. ._. __ _. _
, . m Reportable Occurrence Report No. 50-313/76-34 4
- 8. Designation of Apparent Cause of Occurrence:
Design Procedure Manufacture Unusual Service Condition Including Environmental ,
Installation /
Construction , Component Failure (See Failure Data) 5 Operator _
Other (specify) X Unknown I
- 9. Analysis of Occurrence:
Since the leakage was only a minute amo'unt and was contained in a controlled area, there was no hazard to the health.and safety of the public. 5 i
l 1
l I
October 1, 1976 NSP-III-2, Rev. 5 Attachment "D" 5
% Page 3 Of 4
-- - -, ,- , - , - - - , - ,, - , , , - .-~.-,,- . - . . - - . -
. -- - .: .- 4 . - , , . ~ . . . . _ _ , , . . . , , ,
-n m - 3 u
o .. .
S' _ _, P ~" .
4 1
Reportable Occurrence Report No. 50-313/76-34 s 4
- . ;
4
- 10. Corrective Action: >
C'
. .. ; -
After a dye-penetrant test was perfomed on the T-section area of f f, ' ' ,, .
Valve SF-10 and no penetrating cracks were found, a dye-penetrant' teg .i- -- - >
- revealed a' crack in the body of Valve SF-11. Valve SF-11 will
- be '
" ;
replaced. .
.. + ..>
. .e -
i
.'?.
n p-j i
- ;
. t t
~~
- 11. Failure Data:
NOIE I
s s
t l,
. i t
l l
October 1, 1976 NSP-III-2, Rev. 5 Attachinent "D" 5 i
% Page 4 of 4 e
. - - - , . _ , , , , - ---,y-- ,- ,- , .- , _.----.-,y.,,.w-w. w, - - -, , , , _ - -
, y 7-_,--_,y ,._,ys,