ML19268C028: Difference between revisions
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' ' I w. h.e H. Crier. Dir6ctor id o . 3 79 37/31,; f. | ' ' I w. h.e H. Crier. Dir6ctor id o . 3 79 37/31,; f. | ||
CffCtv (d Jnsp6ction i, I nf or 6 eaien t . li t y i r o I i U.S. IJwc lear R e<platory (c vsluien l* | CffCtv (d Jnsp6ction i, I nf or 6 eaien t . li t y i r o I i U.S. IJwc lear R e<platory (c vsluien l* | ||
C)I Pere a ve ave ' | C)I Pere a ve ave ' | ||
M ng of Prwasf4 PA l ef t.06 .; | M ng of Prwasf4 PA l ef t.06 .; | ||
L'c e tv. Grie r: 'S This LD refers to a failure in the RSCS. U The governing Tet,hracal speettication is L.3.B.3.a. , ,( | L'c e tv. Grie r: 'S This LD refers to a failure in the RSCS. U The governing Tet,hracal speettication is L.3.B.3.a. , ,( | ||
,i a | ,i a | ||
.E , | .E , | ||
s' | s' | ||
.J | .J | ||
| Line 38: | Line 34: | ||
u | u | ||
: b. l.P..J.i I.P ,lf. .I.jd l) jh,, J? I- l'!.1.!.:..Ja Ir. . ....l'.> | : b. l.P..J.i I.P ,lf. .I.jd l) jh,, J? I- l'!.1.!.:..Ja Ir. . ....l'.> | ||
l ki b ,C.M, 2 | l ki b ,C.M, 2 | ||
..l . '. l '.. .- .l i O . . .e ..JM .W,. | ..l . '. l '.. .- .l i O . . .e ..JM .W,. | ||
j. | j. | ||
O t's ' | O t's ' | ||
FI~~I | FI~~I | ||
, T,' '.WM.L. [ w.S .....s. lu [. j o I ? I 1 I t' @..l. lj_j 1 l 1 ! 710.I.3ll lti.iv o.n . - +c.. ... , - | , T,' '.WM.L. [ w.S .....s. lu [. j o I ? I 1 I t' @..l. lj_j 1 l 1 ! 710.I.3ll lti.iv o.n . - +c.. ... , - | ||
is ei. visr.e 4 top: aw enows. t co :.i<rtsects @ $g/ . | is ei. visr.e 4 top: aw enows. t co :.i<rtsects @ $g/ . | ||
F__ Lsu.,.r_e.i.l.lan.ce testing on the .R.S.CS_. prior._t.o..M..d. wit _hdraval reveal..e_d _that Y$f. | F__ Lsu.,.r_e.i.l.lan.ce testing on the .R.S.CS_. prior._t.o..M..d. wit _hdraval reveal..e_d _that Y$f. | ||
y | y r m (.vHh the R.S.':.S In_ ode. .evit.c.h..an.d. | ||
.t.h.e. group notch select switch - . in . . "nor.:a; l*g i] ; any rod group cou.ld be selected. To select a.nd wi.th .. -. . | |||
r m (.vHh the R.S.':.S In_ ode. .evit.c.h..an.d | |||
.t.h.e. group | |||
notch select switch - . in . . "nor.:a; | |||
l*g i] ; any rod group cou.ld be selected. To select a.nd wi.th .. -. . | |||
. . . both . . . ... evi?ches | . . . both . . . ... evi?ches | ||
.:..-.. as .. - | .:..-.. as .. - | ||
| Line 73: | Line 55: | ||
.. ,,., 1.',('d, | .. ,,., 1.',('d, | ||
. . ..t i. > t o.u s. . . . c. | . . ..t i. > t o.u s. . . . c. | ||
.. i . .m, m,, ,.,m., s ,i + | .. i . .m, m,, ,.,m., s ,i + | ||
h b.) . | h b.) . | ||
( 112.)O [I. | ( 112.)O [I. | ||
]h L. 9J h ' i , Nl l S I "'I k l UJ.h QJ@ [Z_j (.5 . ,. . | ]h L. 9J h ' i , Nl l S I "'I k l UJ.h QJ@ [Z_j (.5 . ,. . | ||
f r.pv. . | f r.pv. . | ||
| Line 87: | Line 65: | ||
..c,....<.. | ..c,....<.. | ||
n ., | n ., | ||
3.. | 3.. | ||
v$/.2 | v$/.2 | ||
| Line 94: | Line 70: | ||
.. . L( 7.l 9J | .. . L( 7.l 9J | ||
.i b. | .i b. | ||
l013I7l | l013I7l | ||
((_J n | ((_J n | ||
l0i3l | l0i3l | ||
[1:J L- .) Lo.] | [1:J L- .) Lo.] | ||
.i ; | .i ; | ||
. , .. . , n ...u | . , .. . , n ...u | ||
. .. .. .. .,.u..,.. | . .. .. .. .,.u..,.. | ||
on .. e s. . . u .. . . , , . . . . ,c,,,. . n., | on .. e s. . . u .. . . , , . . . . ,c,,,. . n., | ||
I A l. 'l ,% > ? J'l I EJ0,.") L.01. 0 L.0~' ''i l l.N,J Q [ j @ [N,J(N [CJ 0l8l0f ,,..,., ,., ,, ,, , | I A l. 'l ,% > ? J'l I EJ0,.") L.01. 0 L.0~' ''i l l.N,J Q [ j @ [N,J(N [CJ 0l8l0f ,,..,., ,., ,, ,, , | ||
*- * .. .. .. ^, | *- * .. .. .. ^, | ||
. .. .. w.. n.+ nes .n. a c cin.a c m t ac i eo9. h) | . .. .. w.. n.+ nes .n. a c cin.a c m t ac i eo9. h) | ||
[~[[;) [..T.he .m.alf.u.nction was caused by a f ailure in an .inteCrate.d_ :.1,,.re.s.it "c.d p" | [~[[;) [..T.he .m.alf.u.nction was caused by a f ailure in an .inteCrate.d_ :.1,,.re.s.it "c.d p" | ||
,f | ,f | ||
, . l' f.~l ] I on the seque, nee Icpc,,bo,a,r,d. _The inte,c.ated_cire:it chis . cQrt nu:.dct y , | , . l' f.~l ] I on the seque, nee Icpc,,bo,a,r,d. _The inte,c.ated_cire:it chis . cQrt nu:.dct y , | ||
g g g,176A166LN)L6. was replaced. The RSCS was tested satisfactorily and k y Le,perabl,e ,in,less thr.n 12 houre._ Rod withdrawal did not cot:cence until_ [ | g g g,176A166LN)L6. was replaced. The RSCS was tested satisfactorily and k y Le,perabl,e ,in,less thr.n 12 houre._ Rod withdrawal did not cot:cence until_ [ | ||
9 | 9 g{g g, the failun vna corrected. .g e; | ||
g{g g, the failun vna corrected. .g e; | |||
, . e | , . e | ||
'O'.',." | 'O'.',." | ||
| Line 132: | Line 94: | ||
%.'."6? .'.* i. v i. i .. . i n. . . . ,@ | %.'."6? .'.* i. v i. i .. . i n. . . . ,@ | ||
f e | f e | ||
'' ** * **'s | '' ** * **'s e...... | ||
4,, i . . . , ,, . . .. . . i . a i '>.) M d N/A l L N/A ($ | |||
e...... | |||
4,, i . . . , ,, . . .. . . i . a i '>.) M | |||
d N/A l L N/A ($ | |||
L3.] (JJ...@ Q'I . ...i.. ....'.'.. . ... . p~ | L3.] (JJ...@ Q'I . ...i.. ....'.'.. . ... . p~ | ||
...s..,. | ...s..,. | ||
'''.? | '''.? | ||
8101010,)GL:.JSi"N/A | 8101010,)GL:.JSi"N/A | ||
'w | 'w | ||
'l' | 'l' | ||
....v...,'..t., ~. . | ....v...,'..t., ~. . | ||
n E. I.) 19.l.0 L9J,.81.. N . . ..,,..e/ A | n E. I.) 19.l.0 L9J,.81.. N . . ..,,..e/ A | ||
.........g 4.p. s 1/J'J Lb'8; ~-- N/A . 79121805'58 N .' | .........g 4.p. s 1/J'J Lb'8; ~-- N/A . 79121805'58 N .' | ||
,.t | ,.t | ||
',f, J. '"'.~'''' .' ). | ',f, J. '"'.~'''' .' ). | ||
$ Lyf6L,._ ,. 5/A ' M "7/M'/ /< . ! I i 1 i ! I I I I I l'1 l'' , | $ Lyf6L,._ ,. 5/A ' M "7/M'/ /< . ! I i 1 i ! I I I I I l'1 l'' , | ||
6em o. e..seanie r M[J. Cooney / ,-o,. e | 6em o. e..seanie r M[J. Cooney / ,-o,. e | ||
(?'15)"%1-5020 Tyl 4 mg., | (?'15)"%1-5020 Tyl 4 mg., | ||
qq}} | qq}} | ||
Revision as of 20:17, 1 February 2020
| ML19268C028 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 12/13/1979 |
| From: | Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| LER-79-037-03L-01, LER-79-37-3L-1, NUDOCS 7912180558 | |
| Download: ML19268C028 (1) | |
Text
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' ' I w. h.e H. Crier. Dir6ctor id o . 3 79 37/31,; f.
CffCtv (d Jnsp6ction i, I nf or 6 eaien t . li t y i r o I i U.S. IJwc lear R e<platory (c vsluien l* C)I Pere a ve ave ' M ng of Prwasf4 PA l ef t.06 .; L'c e tv. Grie r: 'S This LD refers to a failure in the RSCS. U The governing Tet,hracal speettication is L.3.B.3.a. , ,(
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.s s wei a an m; cut e oe., r;ommissi LICLNSf[ t VENT REPORT * * '!
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. l 1 L, J @ irta ast en 91 cm tver att ear.iw=to no on.iatior.i .
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..l . '. l '.. .- .l i O . . .e ..JM .W,.
j. O t's ' FI~~I
, T,' '.WM.L. [ w.S .....s. lu [. j o I ? I 1 I t' @..l. lj_j 1 l 1 ! 710.I.3ll lti.iv o.n . - +c.. ... , -
is ei. visr.e 4 top: aw enows. t co :.i<rtsects @ $g/ . F__ Lsu.,.r_e.i.l.lan.ce testing on the .R.S.CS_. prior._t.o..M..d. wit _hdraval reveal..e_d _that Y$f. y r m (.vHh the R.S.':.S In_ ode. .evit.c.h..an.d.
.t.h.e. group notch select switch - . in . . "nor.:a; l*g i] ; any rod group cou.ld be selected. To select a.nd wi.th .. -. .
. . . both . . . ... evi?ches
.:..-.. as .. -
'hh g
pi j g stated above, opposite rod groups should be full out (ie, to select A12, 7lii. [;,', ^1 g all 312 and 33L rode srust be full out). This cade the " sequence" esode of .% 7 [.[[ g RS05 inoperable as required by Tech Spec k.3 3 3.a. =- - .
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*- * .. .. .. ^,
. .. .. w.. n.+ nes .n. a c cin.a c m t ac i eo9. h)
[~[[;) [..T.he .m.alf.u.nction was caused by a f ailure in an .inteCrate.d_ :.1,,.re.s.it "c.d p"
,f
, . l' f.~l ] I on the seque, nee Icpc,,bo,a,r,d. _The inte,c.ated_cire:it chis . cQrt nu:.dct y ,
g g g,176A166LN)L6. was replaced. The RSCS was tested satisfactorily and k y Le,perabl,e ,in,less thr.n 12 houre._ Rod withdrawal did not cot:cence until_ [ 9 g{g g, the failun vna corrected. .g e;
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8101010,)GL:.JSi"N/A
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n E. I.) 19.l.0 L9J,.81.. N . . ..,,..e/ A
.........g 4.p. s 1/J'J Lb'8; ~-- N/A . 79121805'58 N .'
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$ Lyf6L,._ ,. 5/A ' M "7/M'/ /< . ! I i 1 i ! I I I I I l'1 l ,
6em o. e..seanie r M[J. Cooney / ,-o,. e (?'15)"%1-5020 Tyl 4 mg., qq}}