ML19276F394

LER 79-009/03L-0 on 790226:svc Water Heat Exchanger Saltwater Outlet Throttle Valve 21 Failed to Open on Signal.Cause Unknown.Valve Will Be Repaired During Next Outage

ML19276F394
Person / Time
Site:	Calvert Cliffs
Issue date:	03/22/1979
From:	Carroll J, Romney M BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19276F392	List: ML19276F391 ML19276F394
References
LER-79-009-03L, LER-79-9-3L, NUDOCS 7903290101
Download: ML19276F394 (1)

Text

NRC i OHM 366 U. S. NUCLL AR HEGULATORY CO*.1 MISSION

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• LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 lo lil l M l 0 l C l C l N l 2 lgl 0 j 0 l- lLICENSE 0 l0Nt.;VBER l0 l0 l0 l- l0 l0 lgl 4l 1 1l 1l 1lgl l lg 7 8 9 LICENSEE CODE 14 15 26 26 LICENSE TYPE JO $7 CAT $8 CON'T lolil 7 8 S$RCI 60 I L }@l 01510101013 61 DOCK ET NUMBER 118l@l012I?1617lol@ln1312l2l7l9l@

68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 1 Durino performance of surveillance testini, 21 service water heat exchanner i O 3 saltwater outlet throttle valve failed to onen upon receipt of a SIAS sional I o 4 l at 1330. The valve was immediately opened with its associated handswitch and I o s was maintained open until corrective action was completed. 22 service water I o 6 I heat exchanger remained fully operable throughout this event. This is not a I o , repetitive occurrence. 1 0 8 DE CO E SUSC E COMPONENT CODE SUSCO D'E SU E o 9 W lA l@ l Xlg l Z lQ [ Vl Al L VlElX[@ J @ @ @

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,,, SEQUENTI AL OCCURRENCE REPORT REVISION LER/RO EVENT VEAR R EPORT NO. CODE TYPE NO.

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44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS i oi l 2-CV-5209 onerates correctly with handswitch or STAS and nn neptsure nn the I i i valve. This valve is now maintained onen and throttlinn is acenmnlithod with I i 2 12-CV-5210. 2-CV-5209 will be renaired durino the next outane. A follow-un I i 3 l recort will be submitted at that time.  !

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7 8 9 80 DISCOVERY DESCRIPTION

• OTHER STATUS DIS O RY ST S . POWER i s [Ej @ 10 19 l8 l @ l NA l (_B_J@l Surveillance Test l ACTIVITY CO TENT HELEASED OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l NA l 7

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, \ 68 69 NAME OF PREPARER

. T. Carroll /K. M. Rorney ,ggy, (E) 84 MUMM g a