ML19343C573

LER 81-008/03L-0:on 810218,reactor Core Isolation Cooling Pump Tripped.Caused by Electrical Cable Connector Detaching from Egr.Connector Replaced

ML19343C573
Person / Time
Site:	Vermont Yankee
Issue date:	03/20/1981
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19343C572	List: ML19343C571 ML19343C573
References
LER-81-008-03L, LER-81-8-3L, NUDOCS 8103240532
Download: ML19343C573 (1)

Text

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.( LICENSEE EVENT REPORT LER 81-08/3L

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C ATE 7 d 60 61 DOCKET NUMBER 6d 63 EVENT OATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h I o I 2 I l Durine monthly onerability surveillance testine of HPCI and RCIC. HPCI was l l 013 l l successfully completed. Upon starting the RCIC pump, the control electrical I lolai l cable connector to the EGR disconnected causina RCIC to trip which is contrarv l l o I s l I to T.S. 3. 5.G. The previous demonstration of HPCI operability precluded I l o 16 I l takine action as specified in T.S.4.5.G.2. There were no consecuences to l l o 171 l the oublic health and safety as a result of this event. No similar occurrences  !

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J3 31 40 44 47 CAUSE OESCRIP flON AND CORRECTIVE ACTIONS I1 101 l The cause of this event was found to be an electrical connector that accidentally I Iiiii l became detached from the EGR. The connector was immadiatelv ren1nced. RcTc unc _ , ., _ j lil2l l started. successfully tested and declared operable. l l i l 31 l - - . l I i i -: I l I

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STA S *.POWER OTHER STATUS ISCO RV OISCOVERY DESCRIPTION l'I5I d @ l 1I oI ol@l NA I l.B_.j@l Control Room Indication I ACTivtTv CO TENT AELEASED OF RELE ASE AMOUNT OF ACTIVITY LCCATION OF RELEASE l1 l6 l- l NA NA I 7 d 9 10 tt 44 45 80 PERSO*.NEL f xPOSLRES l1 l 7 l } 0[d l 0JglYlgl" " NA l PEPSON*,E L INjuniES i NUYSER O Ei,cn t P TION NA I1 I

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