ML19256B147

LER 78-028/03L-0 on 781220:flow Control Valve 2CV-1025-1, Failed to Operate Due to Loose Motor Power Connector. Connector Tightened & Valve Returned to Svc

ML19256B147
Person / Time
Site:	Arkansas Nuclear
Issue date:	01/18/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19256B146	List: ML19256B145 ML19256B147
References
LER-78-028-03L, LER-78-28-3L, NUDOCS 7901240168
Download: ML19256B147 (1)

Text

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4 NRC F OR%1306 U. S. NUCLE AR R EGt>L ATORY COWA:% ION P 77)

• LICENSEE EVENT REPORT EXHIBIT A r

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tvEN: or.sCrI HON Ar re E NS NCES Io l '1 I During Mode 2 ap_er_a_ti_qn,Eain_Feedwa_ter Pump A tr_fppe_d., requiring 1 g7_; t Emergency Feedwater flow. Flow control valve, 2CV-1025-1, failed to ,

r, ., , operate. This resulted in no feedwater flow to Steam Generator A from ,

o 3 i Emergency Feedwater pump, 2P78. Flow was then established via Emergency , .

, c Feedwater pump, 2P7A. Reportable per T. S. 6.9.1.9.b.

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LZj@ I,0 l 0! 0 l't l @ g g W Tl [e*;;-l2li' ,7 lg caua oEscntPHON ANO LDR4CC(!VE ACTIO*;5 ii _. i i nvestigation I revealed a loose motor power connection. The connection ,

, ,,j,was tightened and the valve was returned to service approximately one ,

hoyr after the failure. ,

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Chris N. Shively .. . v 501-968-2519 790124 C/4 F

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