ML19344A050: Difference between revisions
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{{#Wiki_filter:' | {{#Wiki_filter:' | ||
haa O .. | haa O .. | ||
N.s.wuctsam necutatoav comussioN ~ | N.s.wuctsam necutatoav comussioN ~ | ||
nac ronu x. | nac ronu x. | ||
a.nl LICENSEE EVENT REPORT EXHIBIT A tettass raint on tyre att atovinto meenuATion coNTnot stoco . | a.nl LICENSEE EVENT REPORT EXHIBIT A tettass raint on tyre att atovinto meenuATion coNTnot stoco . | ||
Line 34: | Line 28: | ||
, .. s,c. .u cao, # | , .. s,c. .u cao, # | ||
~ | ~ | ||
con'T | con'T g ,fo,a', [ L,gi 0 5!O - 0 i 31012 gl0 a | ||
g ,fo,a', [ L,gi 0 5!O - 0 i 31012 gl0 a | |||
;9 ; 0 ul n7;, 7;,s 8 g l>0 1 9 l.s.o ,. . | ;9 ; 0 ul n7;, 7;,s 8 g l>0 1 9 l.s.o ,. . | ||
21, 717 c.c. l Sn l@ | 21, 717 c.c. l Sn l@ | ||
, . u_ .. ow a , < ..u. | , . u_ .. ow a , < ..u. | ||
aVENTOt$Ca PTICN ANo PaotAatt con 51oGENCEt h gl At 1600, during the performance of SP-417. Refueline Tnegrv,1 Tne gr,r,a l Plant Response to Engineered Safeguards Actuation, a closed indication was t | aVENTOt$Ca PTICN ANo PaotAatt con 51oGENCEt h gl At 1600, during the performance of SP-417. Refueline Tnegrv,1 Tne gr,r,a l Plant Response to Engineered Safeguards Actuation, a closed indication was t | ||
, , , , not received for the Control Complex air supply damper D-1 after a closed 1 command was issued. This is contrary to Technical Specification 3.7.7.1. 1 . | |||
, , , , not received for the Control Complex air supply damper D-1 after a closed 1 | |||
command was issued. This is contrary to Technical Specification 3.7.7.1. 1 . | |||
l i . | l i . | ||
,, , No previous occurrences. No redundant system available. No effect upon I | ,, , No previous occurrences. No redundant system available. No effect upon I | ||
the time of f g , public heafth or safety, as no, accident conditions existed at . | the time of f g , public heafth or safety, as no, accident conditions existed at . | ||
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Line 70: | Line 52: | ||
_v u u :. v . . | _v u u :. v . . | ||
1 | 1 | ||
@ '?iMil' .# in '"iWi"' v. E751'li. | @ '?iMil' .# in '"iWi"' v. E751'li. | ||
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l- XI 919 I 9.,l@ | l- XI 919 I 9.,l@ | ||
Line 78: | Line 58: | ||
t,zJ 1 I.L.J@ L.,NJ@ l XI@ | t,zJ 1 I.L.J@ L.,NJ@ l XI@ | ||
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.o ., | .o ., | ||
cAust otscai> Ties Aso co'inte m r A:Tiess @ | cAust otscai> Ties Aso co'inte m r A:Tiess @ | ||
I g lThe cause of this event was due to mechanical binding of the air suop1v I | I g lThe cause of this event was due to mechanical binding of the air suop1v I | ||
, damper D-1. Preventive maintenance will provide corrective action. | , damper D-1. Preventive maintenance will provide corrective action. | ||
I l | I l | ||
Line 93: | Line 71: | ||
i > | i > | ||
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[Gj@ l010l0]@l NA l [B j@l Operator observation | [Gj@ l010l0]@l NA l [B j@l Operator observation I | ||
I | |||
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Line 129: | Line 91: | ||
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i J. Cnener | i J. Cnener | ||
, oss 604 ) 795-6486 2vt o. ,.c ,2 n t ,. | , oss 604 ) 795-6486 2vt o. ,.c ,2 n t ,. | ||
SUPPLDfENTAKY INF0FT.\TIO:t SHEET) | SUPPLDfENTAKY INF0FT.\TIO:t SHEET) | ||
. 7 g / 0 //' O f f 2 (SEE ATTACI | . 7 g / 0 //' O f f 2 (SEE ATTACI | ||
. -- . - - - - - , - - - ,,,v, | . -- . - - - - - , - - - ,,,v, | ||
SUPPLEMENTARY INFORMATION | SUPPLEMENTARY INFORMATION | ||
: 1. Report No.: 50-302/78-045/03L-0 | : 1. Report No.: 50-302/78-045/03L-0 | ||
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l l | l l | ||
l l /rc l | l l /rc l | ||
l I | |||
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Latest revision as of 07:46, 31 January 2020
ML19344A050 | |
Person / Time | |
---|---|
Site: | Crystal River ![]() |
Issue date: | 09/27/1978 |
From: | Cooper J FLORIDA POWER CORP. |
To: | |
Shared Package | |
ML19344A049 | List: |
References | |
LER-78-045-03L, LER-78-45-3L, NUDOCS 7810110152 | |
Download: ML19344A050 (2) | |
Text
'
haa O ..
N.s.wuctsam necutatoav comussioN ~
nac ronu x.
a.nl LICENSEE EVENT REPORT EXHIBIT A tettass raint on tyre att atovinto meenuATion coNTnot stoco .
l l 1 l 1 l .@ l g 1 ;g[- g -
Q lF l LI Q R) P} 3..lgl>>0 l 0l- l 01. 4u0l0l 0:0 ...
l go i O a gg 4 s; o1,1;l
- 2. u ... 2 ...w
, .. s,c. .u cao, #
~
con'T g ,fo,a', [ L,gi 0 5!O - 0 i 31012 gl0 a
- 9 ; 0 ul n7;, 7;,s 8 g l>0 1 9 l.s.o ,. .
21, 717 c.c. l Sn l@
, . u_ .. ow a , < ..u.
aVENTOt$Ca PTICN ANo PaotAatt con 51oGENCEt h gl At 1600, during the performance of SP-417. Refueline Tnegrv,1 Tne gr,r,a l Plant Response to Engineered Safeguards Actuation, a closed indication was t
, , , , not received for the Control Complex air supply damper D-1 after a closed 1 command was issued. This is contrary to Technical Specification 3.7.7.1. 1 .
l i .
,, , No previous occurrences. No redundant system available. No effect upon I
the time of f g , public heafth or safety, as no, accident conditions existed at .
I I
, , i occurrence. " !
';!a"- *'m is,'s.
- co...asie :==.
. .E*u imn. '
s, . ,
i A I Al@ L,,Ej@u[Bj@ l V! A I L ! VI El X l@u 11J@
- n. o..m.,..$
oc:3 .is: . .:., . [4] @ im.o-so m n ,....
- o. ce:r ...
@ ,a,j,g. ., 17 I 8 I l-j lo Ia ! 5I lgj - 1,0 ! 3,1 itJ u
L-J v
to_J u
_v u u :. v . .
1
@ '?iMil' .# in '"iWi"' v. E751'li.
n'J: 's!s' o's'A'R, -co.
l- XI 919 I 9.,l@
LZJ@ *:G'.M@'
t,zJ 1 I.L.J@ L.,NJ@ l XI@
. LxJSL.ZJS u > n > s.01 olo 1oI
.o .,
cAust otscai> Ties Aso co'inte m r A:Tiess @
I g lThe cause of this event was due to mechanical binding of the air suop1v I
, damper D-1. Preventive maintenance will provide corrective action.
I l
. I gI I
8, . ,
I
- s:w s.,:ts:=..r o @
n
' 'd'C s .:.o . or.t.s,4tes @ 5'E:il.*.*
i >
i
[Gj@ l010l0]@l NA l [B j@l Operator observation I
' .c', .s . ,, c:?.u, , tocar.a o. . t au @
.v:.seNA:. .:tisirv @ ll NA n
,' . .itsL. ZJ .n@a v .i i ut.:zJSI ,, ..
...,3m u.o.s. . u
%.. . ., n ie...r.n I
u 8 I of of oCL:J@l"
.. m .
[M.] I' .... a'.s 's.n0;U;.0lg;.u:.....esO s l NA a
W.', ". ". lt.'2;.', 's* ' @
NA l i > "
, . 8. @l .
'
- c 'M C' t '
o 8 .,,,
W ,'T@L',':
l . ., es @ u - f flitI!sttt ti I
.. .. .a
. . 2 .
i J. Cnener
, oss 604 ) 795-6486 2vt o. ,.c ,2 n t ,.
SUPPLDfENTAKY INF0FT.\TIO:t SHEET)
. 7 g / 0 //' O f f 2 (SEE ATTACI
. -- . - - - - - , - - - ,,,v,
SUPPLEMENTARY INFORMATION
- 1. Report No.: 50-302/78-045/03L-0
- 2. Facility: Crystal River Unit #3
- 3. Report Date: 27 September 1978
- 4. Occurrence Date: 7 September 1978
- 5. Identification of Occurrence:
Failure to have two operable Control Room emergency ventilation systems which is contrary to Technical Specification 3.7.7.1.
- 6. Conditions Prior to Occurrence:
Mode 4 hot shutdown.
- 7. Description of Occurrence:
At 1600, during the performance of Surveillance Procedure, SP-417, Refueling Interval Integrated Plant Response to Engineered Safeguards Actuation, it was discovered that the Control Complex air supply damper D-1, did not respond to a close command. This was substantiated by observing that a closed position indication had not been received in the Control Room. Operability was restored on 8 September 1978, after a successful post maintenance test.
- 8. Designation of Apparent Cause:
This occurrence was caused by the mechanical binding of the air supply damper, D-1, which prohibited it from closing and making contact with closed limit switch.
- 9. Analysis of Occurrence:
The health and safety of plant and public was not endangered as no accident conditions existed at the time of this occurrence.
- 10. Corrective Action:
Preventive maintenance will identify the requirement for frequent lubrication as corrective action.
l
- 11. Failure Data:
No previous occurrence of this event.
l l
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