ML19210C424: Difference between revisions
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3% ll-60l@l0 l5 10 DoCKETNUYBER 61 0l0l311 l8 }@l6a 1 l69 010EVENT l 5ClATE7 I o l@l l 111015 74 75 RE* ORT DATE l 7 l 930l@ | 3% ll-60l@l0 l5 10 DoCKETNUYBER 61 0l0l311 l8 }@l6a 1 l69 010EVENT l 5ClATE7 I o l@l l 111015 74 75 RE* ORT DATE l 7 l 930l@ | ||
EVENT DESCRIPTICN A*JC PROBABLE CONSEQUENCES h o : IDurino nomal oneration ESFAS sensor cabinet ZF 'ias deanornized .f_ rom I c 3 1440 until 1550 per T. S. 3.3.2.1 while reolacing the failed containment nressure i o 4 Isensor voltaCe reter. Three redundant ESFAS sensor channels rvaired I o s lacerable thrcuchout this event. This is rot a recetitive occurrence. I a s l I O 7 l 1 | EVENT DESCRIPTICN A*JC PROBABLE CONSEQUENCES h o : IDurino nomal oneration ESFAS sensor cabinet ZF 'ias deanornized .f_ rom I c 3 1440 until 1550 per T. S. 3.3.2.1 while reolacing the failed containment nressure i o 4 Isensor voltaCe reter. Three redundant ESFAS sensor channels rvaired I o s lacerable thrcuchout this event. This is rot a recetitive occurrence. I a s l I O 7 l 1 l3 4 l I 7 9 3 80 S v 5 T E *.9 CAUSE CALSE C C '.' P '. A t V E C00E CODE SL9C00E C;YGCNENT CCOE ^ 5CCCE | ||
l3 4 l I 7 9 3 80 S v 5 T E *.9 CAUSE CALSE C C '.' P '. A t V E C00E CODE SL9C00E C;YGCNENT CCOE ^ 5CCCE | |||
_ sv5COCE C 9 l Tl 9l lT NlC lT l0 l fl lY l 7 8 9 30 it 12 13 18 '9 20 SE O',ENTI AL mL A P E NCE REPCRT *E N CN | _ sv5COCE C 9 l Tl 9l lT NlC lT l0 l fl lY l 7 8 9 30 it 12 13 18 '9 20 SE O',ENTI AL mL A P E NCE REPCRT *E N CN | ||
,,. EVENT YE AR AE'C A T NO. CODE TvaE | ,,. EVENT YE AR AE'C A T NO. CODE TvaE | ||
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25 13i@ 101010101 37 I 'l l@ | 25 13i@ 101010101 37 I 'l l@ | ||
41 Yl@ l43A l@ l Vll 13 !2 l@ | 41 Yl@ l43A l@ l Vll 13 !2 l@ | ||
23 26 40 42 44 47 CAUSE CESCRIPTICN AND CORRECTIVE ACTIONS i o IThe analoa meter in Channel ZF ccntain'ent nressure bistable for SI AS I i i pas found to be ncn-linear in its resoonse to surveillance test inrut I | 23 26 40 42 44 47 CAUSE CESCRIPTICN AND CORRECTIVE ACTIONS i o IThe analoa meter in Channel ZF ccntain'ent nressure bistable for SI AS I i i pas found to be ncn-linear in its resoonse to surveillance test inrut I i | ||
i | |||
Isionals. This failure is considered to be a natural end of life tvne I i 3 jof failure caused by acine of the reter movement windino. The reter I i 4 iwas replaced. !!o oreventive action is aeemed necessarv. I 7 8 9 80 ST S . PC?.E R OTHER$7ATUS S OV RY DISC OVERY OESO7tPfeON i 5 lE j@ l1 l 0 l 0 l@l fl/A l B l@l'8Surveillance Test l | Isionals. This failure is considered to be a natural end of life tvne I i 3 jof failure caused by acine of the reter movement windino. The reter I i 4 iwas replaced. !!o oreventive action is aeemed necessarv. I 7 8 9 80 ST S . PC?.E R OTHER$7ATUS S OV RY DISC OVERY OESO7tPfeON i 5 lE j@ l1 l 0 l 0 l@l fl/A l B l@l'8Surveillance Test l | ||
:!Ti v, TY Cc' TENT '' " " '' 8 | :!Ti v, TY Cc' TENT '' " " '' 8 | ||
-E.EasEo Or AetEAsE to:2TecN Cr aEts4SE @ | -E.EasEo Or AetEAsE to:2TecN Cr aEts4SE @ | ||
ti/A AvouNT O, ACTiviry @ l ft/A | ti/A AvouNT O, ACTiviry @ l ft/A i e [Z_j @ 10[Zj@l l l 7 8 9 11 44 45 30 PE RSONNEL EXPC5uRES | ||
i e [Z_j @ 10[Zj@l l l 7 8 9 11 44 45 30 PE RSONNEL EXPC5uRES | |||
.L '.'e E R TYPE OESCRIPTION i 7 l 0] 0l 0J@LZj@l tl/A l | .L '.'e E R TYPE OESCRIPTION i 7 l 0] 0l 0J@LZj@l tl/A l | ||
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mCR.PT,c .@ 7o9 pn3 7 | |||
i a 5 3 10 l0 10l@l ti/A 11 12 30 l | i a 5 3 10 l0 10l@l ti/A 11 12 30 l | ||
1.0'$ LF C4 O Ava.;E TO F AClllTY 9 TsPE C E - ;9lPilON | 1.0'$ LF C4 O Ava.;E TO F AClllTY 9 TsPE C E - ;9lPilON | ||
[Z l@l10 , ti/A | [Z l@l10 , ti/A i 2 l 7 4 3 - | ||
i 2 l 7 4 3 - | |||
s3 P' 3 tic 67Y p .,gcg3qggty | s3 P' 3 tic 67Y p .,gcg3qggty | ||
- _ E y u C ,.n oN Uy, , 7911140 | - _ E y u C ,.n oN Uy, , 7911140 | ||
| Line 68: | Line 55: | ||
,I _j S l m i IIIIIIiiiiIlt | ,I _j S l m i IIIIIIiiiiIlt | ||
? ! 3 'O i. 3 E9 32. - | ? ! 3 'O i. 3 E9 32. - | ||
. . ..Earpac,2=g, J.S. W b nig.c,cim , _, Q ,, ( m )p 32;ggg}} | . . ..Earpac,2=g, J.S. W b nig.c,cim , _, Q ,, ( m )p 32;ggg}} | ||
Latest revision as of 04:34, 2 February 2020
| ML19210C424 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 11/05/1979 |
| From: | Lagiewski J BALTIMORE GAS & ELECTRIC CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML19210C423 | List: |
| References | |
| LER-79-037-03L, LER-79-37-3L, NUDOCS 7911140235 | |
| Download: ML19210C424 (1) | |
Text
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. . LICENSEE EVENT REPORT .
CONTROL BLOCK:
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3% ll-60l@l0 l5 10 DoCKETNUYBER 61 0l0l311 l8 }@l6a 1 l69 010EVENT l 5ClATE7 I o l@l l 111015 74 75 RE* ORT DATE l 7 l 930l@
EVENT DESCRIPTICN A*JC PROBABLE CONSEQUENCES h o : IDurino nomal oneration ESFAS sensor cabinet ZF 'ias deanornized .f_ rom I c 3 1440 until 1550 per T. S. 3.3.2.1 while reolacing the failed containment nressure i o 4 Isensor voltaCe reter. Three redundant ESFAS sensor channels rvaired I o s lacerable thrcuchout this event. This is rot a recetitive occurrence. I a s l I O 7 l 1 l3 4 l I 7 9 3 80 S v 5 T E *.9 CAUSE CALSE C C '.' P '. A t V E C00E CODE SL9C00E C;YGCNENT CCOE ^ 5CCCE
_ sv5COCE C 9 l Tl 9l lT NlC lT l0 l fl lY l 7 8 9 30 it 12 13 18 '9 20 SE O',ENTI AL mL A P E NCE REPCRT *E N CN
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25 13i@ 101010101 37 I 'l l@
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23 26 40 42 44 47 CAUSE CESCRIPTICN AND CORRECTIVE ACTIONS i o IThe analoa meter in Channel ZF ccntain'ent nressure bistable for SI AS I i i pas found to be ncn-linear in its resoonse to surveillance test inrut I i
Isionals. This failure is considered to be a natural end of life tvne I i 3 jof failure caused by acine of the reter movement windino. The reter I i 4 iwas replaced. !!o oreventive action is aeemed necessarv. I 7 8 9 80 ST S . PC?.E R OTHER$7ATUS S OV RY DISC OVERY OESO7tPfeON i 5 lE j@ l1 l 0 l 0 l@l fl/A l B l@l'8Surveillance Test l
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