ML19208A105

LER 79-069/03L-0:on 790814,diesel Generator 2 Could Not Be Stopped from Control Room Handswitch 2HS-2829-2 During Mode 2 Operation.Caused by Internal Spring on Handswitch Contact Being Out of Adjustment.Spring & Switch Contacts Adjusted

ML19208A105
Person / Time
Site:	Arkansas Nuclear
Issue date:	09/05/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19208A101	List: ML19208A100 ML19208A102 ML19208A103 ML19208A104 ML19208A105
References
LER-79-069-03L, LER-79-69-3L, NUDOCS 7909120576
Download: ML19208A105 (1)

Text

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. N A C F O R M 366 U 5 P.UCL E A R R E GUL A TOR Y COMMlWON 17 77)

L!CENsEC EVENT REPORT EXHIBIT A CONTR OL BL OCK 1l l l l iPLE ASE P AINT C A T YPE AL L RE QUIRE D l'.F C AMAtsON) l.e l i.,] l Al R A l Nj 0 l g,l 0 l0 l - l0m l 0 0l Oj0j- l0[0mlg f _ . ,1....

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E VE NT DE SC AIPTION AND PRCF AOLE CONSEQUENCE 5 o ,i t Durina Mode 2 Operation, following the completion of the surveillance i o a L_ta n t run on Diesel Generator *2. tho diesel _cculd_.no.tla._31opped from thef o d I f'nntrni Pnn handswitch. 2HS-2R20-2. The diescLwas_ Stopped fro- the . .]

u i ocal l handswitch. A surveillance test was successfully completed on D.G.i L'_EJ l = 1. 2-D.G,_fLwas sutLSeauently remqved frqm_S_ervice for handswitch re- i

'l G Lpair entering _the " action" statement of TS 3,8,J.la D.G.=2 was capable Hj* t_oistarting_and_p.erforming its intended function; thus, no safety inpli 1 cations.ho <=t

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C ALSE CE SC A 'T'CN AND CC AGEC D 5 ( ACTi; . . Ql) i o I investig nion rovealed that the internal sprino on the handswitch contact!

I' lil Laas out of adiustrent. The sprina and switch contacts were adjusked and i liI 1 I tostod satisfactorily. The su,veillance test was co$ eted l and the dieseil i'lilI gonorator declared ODerable riestina__requirerents of Action Statement  !

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1. $P L i(l 7 Y es t(( Li $C p P T i C*. 45 'bCl#r; (p4(y 121 ol Liij81 NA r e o m i tiiiiiiiiiiil NAvt csPafeAner. Chris N. Shively ,,,,,, 501/968-2519

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