ML19343C252
| ML19343C252 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 06/29/1977 |
| From: | Tison Campbell CONNECTICUT YANKEE ATOMIC POWER CO. |
| To: | |
| References | |
| RO-77-10-990, NUDOCS 8103040815 | |
| Download: ML19343C252 (1) | |
Text
I",n 77-10/990
{3 LICENSEE EVENT REPORT )
~
coNwat c;n x [_ L l l
l l
J trit.ase pnwr att renumr.o mom.uier 1
6 t ot NV tvtNT t s". s e r, /. + e; 1 Cl '.C f NU* 8.*?! Q f vPt Tvre
] l clT l!! J NlP l lj j 0l O l-l 010 l 0l 0 l0 l-l 0 l0 l l 4 l 1 l1 l 1 l lj l 9 l 9l 7 e3 14 1b ES 26 30 31 32 Y; r $[N r;c=1 T Nuvr! A IVf4f DA?f AEPGAf [41f r A r t.: m.
[ { g:.o v t L L I Lo_J W I o f sl oJ-! of 211 I 3J l of a 12 I 7 I 7171 to l 6 l 2 l 9l 7 l_ j]
7 8 b7 12 0 b
60 61 08 09 74 7S L;.
EvtrJT CEG 7 P1;O!!
g_l A rerter cochnt 10.1 f. loa relny failure alarm was actuated.
Investigation j
- ea Q~j l revealcti tht ar, auxiliary relay in the loa f1cu reactor coolant trit > ping retrir j
i w
7 us
-Ql had failed. 'The relay was replaced. This particular typa relay has failed j
Lu 7 c9 Q~l previctuly. 'Ihe relay is a Couch, typa X1041.
l b'i 7
F, 9 1
J U-7 89 pnvr Sv'.,118 9 Cli.st CCvwNfNT CWrO*$NT CCDC COLi COf tPONC' T CODE L:5 +GR MA'dU'A;Tus(R m ion Q lI l A l [Ej lR lr l1,l Al Yl Xl y
[X l9 l9 l9 l
[jjj 7 69 10 11 12 17 43 44 47 40 CAUSE DESCGAT:CN Ql Open circuit in reley coil, possibly caused by a ccnbination of heat and age j
b) 7 0 53
@ l ~of relay.
l LU 7 (! O I
ED L 63 7 69 METHOD OF I ACVi v fif Alds
% POWER OTHEA STATUS D.DOOVERY O!SCOVERY DEscrnPTON
[IE IM L1J o l o l I
n/^
l lAl
- l n/^
l
-7 0
9-to 12 13 44 45 40 63 9 0kr.4 OF ACTr41Y CON!!?.T AVOUNT OF ACTmTY LOCATON OF RELEASE Os riit ACE l N/A
-l l
N/A j
Q.
ILI1!-f D A
[SJ
[BJ 7 0 9
10 it 44 45 CO PER3ONNEL EXPOSURES teat r.
Im cts 0RPicN.
8 lolol01-L31 I
"/^
J E>U 7 09 11 12 13 PERSONNEL INJURES Neve!M CSOAPTtDN as -lol ol of l
N/A I
63 7 00 11 12 OFFS!1E CONSEQUENCES l.
N/A l
1 60 7 89 LOSS OR DAMAGE TO FACILITY -
Trrt OLSCn r1cN ll (EJ l
.'N/A-l 80 7 89 10 r > E <> ' g' ' n. W - F. _. ( 4 PUDLtCITY
,3 c
-6 UO 7 00
~ ADDITIONAL FACTORS '
1 l
l DU.
7 89
-7 00
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Usi.
fHONE-
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