ML19210D575

LER 79-018/03L-0:on 791008,tank Discharge Valve Failed & Control Valve 1616 Declared Inoperaple.Caused by Pinched Control Wire Blowing Fuse in Breaker Cubicle.Wire Reinsulated & Fuse Replaced.Craft Personnel Cautioned

ML19210D575
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/07/1979
From:	Bramlett L ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19210D574	List: ML19210D572 ML19210D575
References
LER-79-018-03L-01, NUDOCS 7911270330
Download: ML19210D575 (1)

Text

9@

Q

, %Me Ah 4

= NRC FORM 364, U. S. NUCLE AR REGULATORY CCMMISSION

, (7 77)

LICENSEE EVENT REPORT EXHIBIT A CONTROL BLOCK: l l l l l l 6lh (PLEASE PRINT OR TYPE ALL REOutRED INFORMATION1 1

0 i l AIR l A l Nl 0 l 1lgl 0 l0 l -l0 l 0 l 0l 0l 0 l- 0l0 l g [1 l1l1 l1l g l lg 1 8 9 UCENsEE CODE 14 is UCENst NUMBER 25 26 LiCkNst Ivet JO 63 CAT 68 con'T o i 8

l',y [L_j@l0 60 l 5 p ]01013 I I!_j@l1(01018l DOCKET hpMSER 3

68 69 719l@ I4 76 1l 1101 7I7 l9l@ 80 P 61 EVENT oATE HEPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEOUENCES h o 2 lDuring the Gunrrerly Surveillnnce Test (10-7-79) . CV1616. the sodium E Ihydrnvido e n nie dicchnrgo vnivo fniled in the F9 nnairinn. This vac; re- l o a Ipaired and the redundant valve. CV1617. was proved operable. Later. CV I o s 1616 was found to have no control board indication and was declared in- l 10161 nnernble nor T _ 9_1_1. 4_ (TD _ ITnir nnuar nnerneinn uns enneinued ner T.S.3.1 M 11.9. Occurrenco une vannrenkle nor T_9_1?_1.7(h). There have been no l i O l e i I c 4 7,4 i n t ncenrrancac- I

" ' ^

$$E Yc"oE s atNE coMPONE NT COut svEIut i,$$E FITl

, .

.I si A10l@ (A, , .j@ L,,Q. _j @ l 2 l Zl Z l Z lZ l Z l@ [_Z_.j@ [Z_j @

,, ,. ,s 31

_ sEQUE N TI A L OCLUR R r NCE REPOHr REvislON L EVENT YE AR REPO9T NO CODE Tvrt NO

@,a'ER* nog' l- 101118I [gj 10 l 3 i LL_j L--J U

_l2 B7l 22 91 23 24 26 27 78 .'"I JO 31 32 TAKEN AC ON PL A T M T MOURs 22 sB IT F 081 N suPPLi MAN ACTURER

[B_j@

3J 34 W @ LZ_J@ 3b LZ_JO I ol o I o f o40 I LN j@ [Yj@ [Zl@ lZ [ 9 l 9l9 [g 36 37 41 og 43 as 4, CAUSE DESCR.PTION AND CORRECrivE ACTIONS h m IThe control fuse was found blown in the breaker cubicle. This was caused i lilil by a control wire being pinched and arounded to the operator cover. The i FTTI I control wire was reinsulated and the control fuse was replaced. Craft i L'L7_J1.Rersonnel were cautioned to check carefuliv in order to avoid this type

_

i Inf fnflurp_ i

'

'sT'A NIs* sPOwsm OTMER STATUS disco MY DISCOVEHY DESCHip flON i s

(_EJ @ ll I 010 ' l @lI NA l

[B_J@[

• Routine Shif t Check j ACTIVITY C TENT 80 AELE AsED OF pf LE ASE AVOUNT OF ACTIVITY LOC A riON OF MELE ASE R LZ_j @ [Z_j@l NA l l NA l

' ' '

PEasON#t Exposi,AEs

' "

50 en .0 E n TvPE oEsCai, TION @

[dy_j l 0 l 0l Ol@[Z_J@l NA l

' ' * '2 PEnsONNE t iN;u'a'its so NuMsta otsCniPTiONh D_E.J 10 010nl@l : NA T s e l T E of a PT ON

' o l Lj@l NA

, l T a s 30 issuf DE aiPTiON @ \ RC C Ly

? NA

' 8 8 'o 1 lllll[;;;; ;,l ca 69 n0 NAME OF PREPARER bindslev S. Bram1per PHON E: 501 -9 % 7 c;1 o 7911270 3*30f .