ML20064H933: Difference between revisions
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| number = ML20064H933 | | number = ML20064H933 | ||
| issue date = 12/21/1978 | | issue date = 12/21/1978 | ||
| title = | | title = /03L-0 on 781221:vibration Readings Taken on River Water Pump 4 Exceeded Acceptable Limits.Work on Pump Bedplate,Adjustment of Impeller Lift & Pump/Motor Realignment Restored Vibration to W/In Acceptable Range | ||
| author name = Hairston W | | author name = Hairston W | ||
| author affiliation = ALABAMA POWER CO. | | author affiliation = ALABAMA POWER CO. | ||
Line 17: | Line 17: | ||
=Text= | =Text= | ||
{{#Wiki_filter:}} | {{#Wiki_filter:.- _ ._. ._> _ _= .~ . . _ _ . - _ .- -m _ __ __ . ._ _ | ||
l t | |||
pr, F O .< M h U s. NUCLEAR REGULATORY COMMISS:04 | |||
>a In | |||
- LICENSEE EVENT REPORT y | |||
C ' ' r < O.0M (, l] l] l]h . | |||
(PLE ASE PRINT Ci4 TYPE ALL REQUIRED INFOT.1ATION1 j lo lij [M t.1 a I n I r i tj@Lo_[a.1 I o L8CE%E lo l oNU*:BEM l o lo l- 1010b l@l4 2e 11 li 11 li l@lbl L AI T bd(@ | |||
LICMSE T veg #8 | |||
+ | |||
* 3 s.t; E *.3E E CG X 11 *S CON *! | |||
i I,0 l i 3l I,$ l[$[Qj 510 l oE,OloM E lf NuweL'4 6,P a l a I R_hli li 12 63 69 Il 17 lR h1 12 l 2 11 17 l8 h f vtNt DATE 74 7's PEPOHT DATE So i 61 Ever: T EnirT ON AND F RO3ABt.E CONSEQUENtES h l | |||
Io 121 l At 0400 on 11/23/78 vibration readines taken on river water ( R'M ni" n Nn_ & | |||
Lo 11J La_pparently exceeded the acceptable limits. RW p umo No . 4 / RW Train- B wa s de el n ro d I l 10141 Linoperable at 0832 on 11/23/7a_nf ter tha < n4 s ai ramate<e "m., . 'v21"^ted ^nd I go,3, gverified. T/S 3.7.5 requires at least two independent RW loops be operable. RW l l 1O Is 1 1 pump No. 4/RW train B was restored to an operable status at 2120 on 11/23/78. I : | |||
lo j;j l T/S 3.7.5 action statement requirements were met. RW Train A vas operable. The l yo,3; [ health and safety of the general public were not affected. A similar occurrence so l | |||
! , s3 cans 1rsrCed in LLx /8-00'"TT03L-u. CAUSE CCVP. VALVE 2 S v1T E?.1 CAUSE J CCOE CODE Si8 CODE C09PONENT CODE SUSCODE SUSCODE | |||
! 1o, 1 IW l t l@ [nj@ Laj @ I V l u l n i P l X l Y lh d@ [,2] h 23 7 8 9 10 11 12 IJ 18 19 SE QUENTI AL OCCUR RE NCE REPO5n REVISION 1 g p 29 EVENT YE AR REPORT NO. CODE TYPE No. | |||
; O ,a(jf.g 17181 l-l 1018171 M lo la I L2J 1-1 La.J | |||
,_ J 1 2J 2J 24 2G 27 25 29 30 31 3; ACTIO*. FLTUNE EEFECT SHUTCO".N ATTACHVENT %P R O.4 PRI'.'E c00P. COUPONENT TA<FN AC itON ON PL ANT YE TH O3 HOURS SUBv1TT E D FOnM bus- SUPPte E R MANUFACTURER IJJx @L34 xJ@ Lz.J@ | |||
3's Lz.J@ | |||
3th 101010101 3/ 43 LNj@ | |||
el lY lh (Ajh IB 15 la lo lh 42 43 44 47 CAU55 CECCAIPTION AND CORRECTIVE ACIlONS l i 101 (Work on the pump bedplate. adiustment of inoeller li f t. nna men /mnent realinnment i 1: lij [ restored the vibration to within the acceptable ranne. 'Ihe lube /cooline ninim uns I i | |||
, , i , , l flushed. The pump was restored to an operable status. Subsequent preventive maintenanhe L' I lbegun 12/12/78 revealed excessive bearing wear which may have contributed to the hieh l 4 | |||
[il41l vibration. A design change reques t has been initiated to evaluate fouline of the l so 1 3 alube/ cooling piping, | |||
[TD- % Pct.ER CTHER STATUS SO RY DISCOVERY OESCRiPTION l_:15l[gj h l1l010l@l NA I [Ajhl Eauipment Operator reported excessive l | |||
" ' M 44 4 4G vib ra tion . So ACTIVdv C TENT LOCATION os RELEASE h i e nEte As. ., c; RE tt AsE AvocsT NA os ACrivity @ ll NA l 7 8 18 | |||
[zJ G LzJ@l LU 11 44 45 80 P E H 5"')NN E L f x POSUA E S | |||
: p. . ccEn TYPE DE SC RIP flON i i l0 l0 l0j@[Zj@l NA | |||
> " 9 | |||
,Eo.ONNabh " | |||
.., E o oEsCR,7T oN@ | |||
[i l ] lO l0 l0 j@] NA g | |||
l | |||
, e e n u tog e.,s ex O A'.TAGE TO F ACitl TY TV8L ^. si' ;p6PTlJN l 1 l 9 l [,Zjhl NA l 4 9 so | |||
; i | |||
,, %,, g NRC USE ONLY | |||
_ .unq: . ,~,r Os c g ; ; ;;;;;;l{lll; | |||
[/1'!lNlD ^ | |||
es sg so ; | |||
~7 S l E'' C l . D, o P e n w (205) 899-5156 W. G. Rairston, 111 | |||
: 6. A.x puoNE: { | |||
__ _ _ _--_ _ . __ _. .-_. __ -- . =mm.}} |
Latest revision as of 23:10, 31 May 2023
ML20064H933 | |
Person / Time | |
---|---|
Site: | Farley ![]() |
Issue date: | 12/21/1978 |
From: | Hairston W ALABAMA POWER CO. |
To: | |
Shared Package | |
ML20064H912 | List: |
References | |
LER-78-087-03L, LER-78-87-3L, NUDOCS 7812270313 | |
Download: ML20064H933 (1) | |
Text
.- _ ._. ._> _ _= .~ . . _ _ . - _ .- -m _ __ __ . ._ _
l t
pr, F O .< M h U s. NUCLEAR REGULATORY COMMISS:04
>a In
- LICENSEE EVENT REPORT y
C ' ' r < O.0M (, l] l] l]h .
(PLE ASE PRINT Ci4 TYPE ALL REQUIRED INFOT.1ATION1 j lo lij [M t.1 a I n I r i tj@Lo_[a.1 I o L8CE%E lo l oNU*:BEM l o lo l- 1010b l@l4 2e 11 li 11 li l@lbl L AI T bd(@
LICMSE T veg #8
+
- 3 s.t; E *.3E E CG X 11 *S CON *!
i I,0 l i 3l I,$ l[$[Qj 510 l oE,OloM E lf NuweL'4 6,P a l a I R_hli li 12 63 69 Il 17 lR h1 12 l 2 11 17 l8 h f vtNt DATE 74 7's PEPOHT DATE So i 61 Ever: T EnirT ON AND F RO3ABt.E CONSEQUENtES h l
Io 121 l At 0400 on 11/23/78 vibration readines taken on river water ( R'M ni" n Nn_ &
Lo 11J La_pparently exceeded the acceptable limits. RW p umo No . 4 / RW Train- B wa s de el n ro d I l 10141 Linoperable at 0832 on 11/23/7a_nf ter tha < n4 s ai ramate<e "m., . 'v21"^ted ^nd I go,3, gverified. T/S 3.7.5 requires at least two independent RW loops be operable. RW l l 1O Is 1 1 pump No. 4/RW train B was restored to an operable status at 2120 on 11/23/78. I :
lo j;j l T/S 3.7.5 action statement requirements were met. RW Train A vas operable. The l yo,3; [ health and safety of the general public were not affected. A similar occurrence so l
! , s3 cans 1rsrCed in LLx /8-00'"TT03L-u. CAUSE CCVP. VALVE 2 S v1T E?.1 CAUSE J CCOE CODE Si8 CODE C09PONENT CODE SUSCODE SUSCODE
! 1o, 1 IW l t l@ [nj@ Laj @ I V l u l n i P l X l Y lh d@ [,2] h 23 7 8 9 10 11 12 IJ 18 19 SE QUENTI AL OCCUR RE NCE REPO5n REVISION 1 g p 29 EVENT YE AR REPORT NO. CODE TYPE No.
- O ,a(jf.g 17181 l-l 1018171 M lo la I L2J 1-1 La.J
,_ J 1 2J 2J 24 2G 27 25 29 30 31 3; ACTIO*. FLTUNE EEFECT SHUTCO".N ATTACHVENT %P R O.4 PRI'.'E c00P. COUPONENT TA<FN AC itON ON PL ANT YE TH O3 HOURS SUBv1TT E D FOnM bus- SUPPte E R MANUFACTURER IJJx @L34 xJ@ Lz.J@
3's Lz.J@
3th 101010101 3/ 43 LNj@
el lY lh (Ajh IB 15 la lo lh 42 43 44 47 CAU55 CECCAIPTION AND CORRECTIVE ACIlONS l i 101 (Work on the pump bedplate. adiustment of inoeller li f t. nna men /mnent realinnment i 1: lij [ restored the vibration to within the acceptable ranne. 'Ihe lube /cooline ninim uns I i
, , i , , l flushed. The pump was restored to an operable status. Subsequent preventive maintenanhe L' I lbegun 12/12/78 revealed excessive bearing wear which may have contributed to the hieh l 4
[il41l vibration. A design change reques t has been initiated to evaluate fouline of the l so 1 3 alube/ cooling piping,
[TD- % Pct.ER CTHER STATUS SO RY DISCOVERY OESCRiPTION l_:15l[gj h l1l010l@l NA I [Ajhl Eauipment Operator reported excessive l
" ' M 44 4 4G vib ra tion . So ACTIVdv C TENT LOCATION os RELEASE h i e nEte As. ., c; RE tt AsE AvocsT NA os ACrivity @ ll NA l 7 8 18
[zJ G LzJ@l LU 11 44 45 80 P E H 5"')NN E L f x POSUA E S
> " 9
,Eo.ONNabh "
.., E o oEsCR,7T oN@
[i l ] lO l0 l0 j@] NA g
l
, e e n u tog e.,s ex O A'.TAGE TO F ACitl TY TV8L ^. si' ;p6PTlJN l 1 l 9 l [,Zjhl NA l 4 9 so
- i
,, %,, g NRC USE ONLY
_ .unq: . ,~,r Os c g ; ; ;;;;;;l{lll;
[/1'!lNlD ^
es sg so ;
~7 S l E C l . D, o P e n w (205) 899-5156 W. G. Rairston, 111
- 6. A.x puoNE: {
__ _ _ _--_ _ . __ _. .-_. __ -- . =mm.