ML19323D368: Difference between revisions
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NRC FORM 366 U.S. NUCLEAR RECUL ATORY COMMI55tCf4 tr.111 LICENSEE EVENT REPORT EXHIBIT A CONTROL DLOCK: l I I I I I l (PLE ASE PRINT OR TYl'E ALL f EQUIRED INFORMATIONI i e@ | NRC FORM 366 U.S. NUCLEAR RECUL ATORY COMMI55tCf4 tr.111 LICENSEE EVENT REPORT EXHIBIT A CONTROL DLOCK: l I I I I I l (PLE ASE PRINT OR TYl'E ALL f EQUIRED INFORMATIONI i e@ | ||
l@!I l@ | l@!I l@ | ||
Line 37: | Line 24: | ||
a ' .0% Lt._j@l0 I S I ol01013 I 2 I7 l@Lo.J_4111518 ! O l@l- _ . .l. .I_ I . . .l. . .l . 83l@. . _ | a ' .0% Lt._j@l0 I S I ol01013 I 2 I7 l@Lo.J_4111518 ! O l@l- _ . .l. .I_ I . . .l. . .l . 83l@. . _ | ||
# 8 60 6. L.*,64 E T Nut.ig g g (4 e) EVENTDATE 74 FS REPoitT DAf t EVENT DESCRIPTION AND POO93 9(E CONSEQUENCES @ | # 8 60 6. L.*,64 E T Nut.ig g g (4 e) EVENTDATE 74 FS REPoitT DAf t EVENT DESCRIPTION AND POO93 9(E CONSEQUENCES @ | ||
[7T71 i All charging pumps were taken out of service so that maintenance could I, | [7T71 i All charging pumps were taken out of service so that maintenance could I, iOi3, i be performed -on v~alve' 6'2-526." The valv'e was. leaking and needed repacking.j O l The ' system design is such that the va'1ve cannot be isolated if either I | ||
iOi3, i be performed -on v~alve' 6'2-526." The valv'e was. leaking and needed repacking.j | |||
O l The ' system design is such that the va'1ve cannot be isolated if either I | |||
; O s i centrifugal charging pump is operating. This caused entry into I 10 it, i l LCO 3.1.2.1 and LCO 3.1.2.3 ACTION. I.' TION statements are'beine comolied ; | ; O s i centrifugal charging pump is operating. This caused entry into I 10 it, i l LCO 3.1.2.1 and LCO 3.1.2.3 ACTION. I.' TION statements are'beine comolied ; | ||
; g Iwith. I 10181! I es 60 sv1T f '.1 CAJ' E Cat:sf COYP. vatvg CODE co E Sua'00E CO*.*71*; TNT CCDE SusCCCE SU6COOf IIITl 7 8 I P l Cl@ LBJ@ LC_J@ l xlx i x l xlx i xl@ Lx_J@ LZ_J 9 80 tt 82 13 14 19 20 5f O'Jf R.it A L OCCupafNCE REFORT R f VIS'04 | |||
; g Iwith. I | |||
10181! I es 60 sv1T f '.1 CAJ' E Cat:sf COYP. vatvg CODE co E Sua'00E CO*.*71*; TNT CCDE SusCCCE SU6COOf | |||
5f O'Jf R.it A L OCCupafNCE REFORT R f VIS'04 | |||
. (a og .(VENTYEAR R E PORI Na CODE TYPE NO. | . (a og .(VENTYEAR R E PORI Na CODE TYPE NO. | ||
@ -(J.= _18 101 21 22 L-J 23 i o l 3121 24 46 Ld 27 10 ' 31 28 .9 U _J 33 L-! | @ -(J.= _18 101 21 22 L-J 23 i o l 3121 24 46 Ld 27 10 ' 31 28 .9 U _J 33 L-! | ||
31 Loj 32 | 31 Loj 32 | ||
'3 'r'd'N 'X,YJ! O'l,'tfIr 50$?,$' .4vRs @ ^sSl&rlis' ,On's",id . '70',',5i7 ..ffff2 Ele,. | |||
'3 'r'd'N 'X,YJ! O'l,'tfIr | |||
50$?,$' .4vRs @ ^sSl&rlis' ,On's",id . '70',',5i7 ..ffff2 Ele, | |||
[z._j.9 l 919 l( | [z._j.9 l 919 l( | ||
! Lx_J@Lz_J@ | ! Lx_J@Lz_J@ | ||
JJ J4 L.zJ@ | JJ J4 L.zJ@ | ||
Line 70: | Line 40: | ||
43 44 as i | 43 44 as i | ||
CAUSE DESCRIPTION AND CORREC ftVE ACTIONS (23) | CAUSE DESCRIPTION AND CORREC ftVE ACTIONS (23) | ||
! i o i The graylock packing was improperly installed on manual valve 62-526 | ! i o i The graylock packing was improperly installed on manual valve 62-526 i | ||
i | |||
' ' L allowing excess leak _ane. This valve was cLi.s.m.autled. renaired. and i | ' ' L allowing excess leak _ane. This valve was cLi.s.m.autled. renaired. and i | ||
, , ., i i returned to service. 1 i l I | , , ., i i returned to service. 1 i l I l | ||
l | |||
.L' Li.J ,! | .L' Li.J ,! | ||
; | ; | ||
n i 'S'?A'!Es* VOW 1R QTHCR$fATU5 iC fv' Of!COvtRv DESCN'#UO4 @ | n i 'S'?A'!Es* VOW 1R QTHCR$fATU5 iC fv' Of!COvtRv DESCN'#UO4 @ | ||
li l',i LG@ I ol of o 161 N/A l [A._j@lOperator-observation l | li l',i LG@ I ol of o 161 N/A l [A._j@lOperator-observation l | ||
' A!no,Tv '' '' " ** * '' | ' A!no,Tv '' '' " ** * '' | ||
C LOCADON C, REtti.51 @ | C LOCADON C, REtti.51 @ | ||
li lr netc 1 LJJ u | li lr netc 1 LJJ u | ||
. B LzJ@l is o,O';!rtur | . B LzJ@l is o,O';!rtur | ||
Line 101: | Line 60: | ||
r l0l0l0Jgl' N/A | r l0l0l0Jgl' N/A | ||
'J an t. tJ l | 'J an t. tJ l | ||
tTvet 000 OF f>R OAY AC.c,1O F ACitt TV .. | tTvet 000 OF f>R OAY AC.c,1O F ACitt TV .. | ||
f itts'oe r e p 8, L., g31 N/A | f itts'oe r e p 8, L., g31 N/A l | ||
l | |||
Pe.t teOi t f gat =,c g,,gt, gyN g y | Pe.t teOi t f gat =,c g,,gt, gyN g y | ||
** vt e, | ** vt e, | ||
Line 114: | Line 69: | ||
NA . E Os PnLPArar, Daniel .I. Record PuoNE: 615-842-5208 800521 % 4 { - | NA . E Os PnLPArar, Daniel .I. Record PuoNE: 615-842-5208 800521 % 4 { - | ||
Tenntssta Valley Authority l | Tenntssta Valley Authority l | ||
. SIquoyth Nuclear Plant l 1 | . SIquoyth Nuclear Plant l 1 | ||
LER SUFFLD! ENTAL INFORMATION SQRO-50-327/ 8032 Technical Specifications Involved 3.1.2.1 & 3.1.2.3 I | LER SUFFLD! ENTAL INFORMATION SQRO-50-327/ 8032 Technical Specifications Involved 3.1.2.1 & 3.1.2.3 I | ||
Reported Under Technical Specification 6.9.1.13.b Date of Occurrence: 4/15/80 Identification and Description of Occurrence: | Reported Under Technical Specification 6.9.1.13.b Date of Occurrence: 4/15/80 Identification and Description of Occurrence: | ||
All charging pumps were taken out of service so that maintenance could 1 | All charging pumps were taken out of service so that maintenance could 1 | ||
be performed on valve 62-526. The valve was leaking and needed repacking. | be performed on valve 62-526. The valve was leaking and needed repacking. | ||
Line 132: | Line 78: | ||
Conditions Prior to Occurrence: | Conditions Prior to Occurrence: | ||
Mode 5 Apparent Cause of Occurrence: | Mode 5 Apparent Cause of Occurrence: | ||
i Old or defective packing resulted in valve packing leak when the valve was first operated. | i Old or defective packing resulted in valve packing leak when the valve was first operated. | ||
Analysis of Occurrence: | Analysis of Occurrence: | ||
None Corrective Action: | None Corrective Action: | ||
Valve repacked. | Valve repacked. | ||
Failure Data: | Failure Data: | ||
None | None | ||
- y}} | - y}} |
Revision as of 03:11, 1 February 2020
ML19323D368 | |
Person / Time | |
---|---|
Site: | Sequoyah |
Issue date: | 05/14/1980 |
From: | Record D TENNESSEE VALLEY AUTHORITY |
To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
Shared Package | |
ML19323D365 | List: |
References | |
LER-80-032-03L, LER-80-32-3L, NUDOCS 8005210492 | |
Download: ML19323D368 (2) | |
Text
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NRC FORM 366 U.S. NUCLEAR RECUL ATORY COMMI55tCf4 tr.111 LICENSEE EVENT REPORT EXHIBIT A CONTROL DLOCK: l I I I I I l (PLE ASE PRINT OR TYl'E ALL f EQUIRED INFORMATIONI i e@
l@!I l@
O i a le Tl N uC lvatcoOE SlN ' Pil l@isl Ol0 l-10ucems se l010 ~uwin 1010 l -10 2sl Ol@l as 4 l 11111l1 uCE.vsa Tvet u e s -,.: 54 CO*d'T . . . - . . . .
a ' .0% Lt._j@l0 I S I ol01013 I 2 I7 l@Lo.J_4111518 ! O l@l- _ . .l. .I_ I . . .l. . .l . 83l@. . _
- 8 60 6. L.*,64 E T Nut.ig g g (4 e) EVENTDATE 74 FS REPoitT DAf t EVENT DESCRIPTION AND POO93 9(E CONSEQUENCES @
[7T71 i All charging pumps were taken out of service so that maintenance could I, iOi3, i be performed -on v~alve' 6'2-526." The valv'e was. leaking and needed repacking.j O l The ' system design is such that the va'1ve cannot be isolated if either I
- O s i centrifugal charging pump is operating. This caused entry into I 10 it, i l LCO 3.1.2.1 and LCO 3.1.2.3 ACTION. I.' TION statements are'beine comolied ;
- g Iwith. I 10181! I es 60 sv1T f '.1 CAJ' E Cat
- sf COYP. vatvg CODE co E Sua'00E CO*.*71*; TNT CCDE SusCCCE SU6COOf IIITl 7 8 I P l Cl@ LBJ@ LC_J@ l xlx i x l xlx i xl@ Lx_J@ LZ_J 9 80 tt 82 13 14 19 20 5f O'Jf R.it A L OCCupafNCE REFORT R f VIS'04
. (a og .(VENTYEAR R E PORI Na CODE TYPE NO.
@ -(J.= _18 101 21 22 L-J 23 i o l 3121 24 46 Ld 27 10 ' 31 28 .9 U _J 33 L-!
31 Loj 32
'3 'r'd'N 'X,YJ! O'l,'tfIr 50$?,$' .4vRs @ ^sSl&rlis' ,On's",id . '70',',5i7 ..ffff2 Ele,.
[z._j.9 l 919 l(
! Lx_J@Lz_J@
JJ J4 L.zJ@
Ji L.z_J@
24 l 01 0 l 01 043 i LY_l@
37 *a lN_J@
43 LZ_J@
43 44 as i
CAUSE DESCRIPTION AND CORREC ftVE ACTIONS (23)
! i o i The graylock packing was improperly installed on manual valve 62-526 i
' ' L allowing excess leak _ane. This valve was cLi.s.m.autled. renaired. and i
, , ., i i returned to service. 1 i l I l
.L' Li.J ,!
n i 'S'?A'!Es* VOW 1R QTHCR$fATU5 iC fv' Of!COvtRv DESCN'#UO4 @
li l',i LG@ I ol of o 161 N/A l [A._j@lOperator-observation l
' A!no,Tv " ** *
C LOCADON C, REtti.51 @
li lr netc 1 LJJ u
. B LzJ@l is o,O';!rtur
..(LC A%
AYOU';T OF ACTIVITv n/A l M/A@l I IP k' 9 to et 44 4% oJ F( rt'.O ;*J E L ( a POWHL
- ues"St p Tvfr DC Co is trOs i i l O! O I Ol@LZJ@l N/A l
' ' ' d' m',f.t2
,c,.O. .
nw f n OtsC,,,,n n@
7 i
r l0l0l0Jgl' N/A
'J an t. tJ l
tTvet 000 OF f>R OAY AC.c,1O F ACitt TV ..
f itts'oe r e p 8, L., g31 N/A l
Pe.t teOi t f gat =,c g,,gt, gyN g y
- vt e,
. tv ,t^ se,e s ery, ^' '
ITF~l I e 1 LJJdl N/A tu
( lIIIII8if8III 69 69 b' ,
NA . E Os PnLPArar, Daniel .I. Record PuoNE: 615-842-5208 800521 % 4 { -
Tenntssta Valley Authority l
. SIquoyth Nuclear Plant l 1
LER SUFFLD! ENTAL INFORMATION SQRO-50-327/ 8032 Technical Specifications Involved 3.1.2.1 & 3.1.2.3 I
Reported Under Technical Specification 6.9.1.13.b Date of Occurrence: 4/15/80 Identification and Description of Occurrence:
All charging pumps were taken out of service so that maintenance could 1
be performed on valve 62-526. The valve was leaking and needed repacking.
The system design is such that the valva cannot be isolated if either centrifugal charging pump is operating.
Conditions Prior to Occurrence:
Mode 5 Apparent Cause of Occurrence:
i Old or defective packing resulted in valve packing leak when the valve was first operated.
Analysis of Occurrence:
None Corrective Action:
Valve repacked.
Failure Data:
None
- y