05000368/LER-1979-069-03, /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 Adjust

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/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 Entergy icon.png
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:
References
LER-79-069-03L, LER-79-69-3L, NUDOCS 7909120576
Download: ML19208A105 (1)
v • d • e


LER-1979-069, /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
Event date:
Report date:
3681979069R03 - NRC Website
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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

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E VE NT DE SC AIPTION AND PRCF AOLE CONSEQUENCE 5 t Durina Mode 2 Operation, following the completion of the surveillance i

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,i L_ta n t run on Diesel Generator *2. tho diesel _cculd_.no.tla._31opped from thef o

a I f'nntrni Pnn handswitch. 2HS-2R20-2.

The diescLwas_ Stopped fro-the

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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.similar., occur.rences. Reportable per T.S.6,S.l.9b.,

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C ALSE CE SC A 'T'CN AND CC AGEC D 5 ( ACTi;.. Ql)

I investig nion rovealed that the internal sprino on the handswitch contact!

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The sprina and switch contacts were adjusked and i liI 1 I tostod satisfactorily.

The su,veillance test was co$ eted and the dieseil l

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