ML19242A864: Difference between revisions
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{{#Wiki_filter:iJ HC F OR M Jmr. U. > NUC L E /.it RE GUL A TORI COMMISSION (7 77) | {{#Wiki_filter:iJ HC F OR M Jmr. U. > NUC L E /.it RE GUL A TORI COMMISSION (7 77) | ||
LICENSEE EV flT REPORT co .T not ' | LICENSEE EV flT REPORT co .T not ' | ||
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i o I :' ' [Whi le .per forming _PT 1.1.4PCu_ Reactor Low Water Level il Channel Calibration, a 3 [B21-LIS-N017B, switch I was found to be out of tolerance low. The required value is l 4 l | i o I :' ' [Whi le .per forming _PT 1.1.4PCu_ Reactor Low Water Level il Channel Calibration, a 3 [B21-LIS-N017B, switch I was found to be out of tolerance low. The required value is l 4 l | ||
[~> d 12.5 inches of _ water and the as found value was 10.6 inches o f wa t . . r io t | [~> d 12.5 inches of _ water and the as found value was 10.6 inches o f wa t . . r io t LTechnical Specifications 2.2.1. 6.9.1.9a l Ia lo l I __ _ ___ J | ||
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LTechnical Specifications 2.2.1. 6.9.1.9a l Ia lo l I __ _ ___ J | o l s | ||
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| Line 50: | Line 41: | ||
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| Line 63: | Line 50: | ||
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Revision as of 01:48, 2 February 2020
| ML19242A864 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 08/03/1979 |
| From: | Tollison A CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19242A854 | List: |
| References | |
| LER-79-044-03L, LER-79-44-3L, NUDOCS 7908060501 | |
| Download: ML19242A864 (1) | |
Text
{{#Wiki_filter:iJ HC F OR M Jmr. U. > NUC L E /.it RE GUL A TORI COMMISSION (7 77) LICENSEE EV flT REPORT co .T not '
<u-
[ [__l l l l
@ (PLE ALE FRlNT OR iYPE Al L REGL' I N F O R M ATIO M N i lx ' ._LB l dzj d. iLai;L -L OJ 0 OLnt 0 t wts t - <
0 PlGLAL1 - t u t .; t 11 1
, n 1;GL_LJ G
~
w tai ss Lt r - c.u r r !0 1
! L }(i[[_0j 5 { 0 [MO l3 2l5 l@[ 0 7l 0 6 7l91@[_0 8 0 3 7 9 g HJ 8 i r .
>t o i - o' titNT D Af t 74 Ht FOH T D A T E Et r N T DF ';CRIP ilf ' ' ' ) r , ., ' . 4 ! , l i 1 t' a '. L a ; E '; C F :;
i o I :' ' [Whi le .per forming _PT 1.1.4PCu_ Reactor Low Water Level il Channel Calibration, a 3 [B21-LIS-N017B, switch I was found to be out of tolerance low. The required value is l 4 l [~> d 12.5 inches of _ water and the as found value was 10.6 inches o f wa t . . r io t LTechnical Specifications 2.2.1. 6.9.1.9a l Ia lo l I __ _ ___ J !a i l o l s L _ __..___._. _ - _ _ _ . . ._ _ - _ . . _ _ _ ea a . Am ,E LE Io o [I A l( 1) Qj } Z_j i) [ I l N l S l T l R [l{jh j() lZlh
.T. ,e m , ou i a
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l0l a'!I i- e'I' ' , N E *; 7 T3 e , T1; F! d .Cl t Lt?
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s t
- r: (]
- o The only reason determined was instrument drift. The ins trument was recalibrated and l L ii_J Ireturned to service. A plant modification has been eritten to replace the bi-stable I j, [ switches with analog ins trumen tatic,n during the 1980 refueling outage. This new l
, , l in s t rumen t a tion is auch more stable and should greatly redue the drift problems now l 2 [being encountered. l a ' m so F >
k" i .F- 3 ;.t >pr.., [ E l(j [0 l i [3 [ ,l NA l Bl{
, j Periodic Test l
~
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}1,{ 919-457-9521
, , A. C. Tollison, Jr.