ML19290B701

LER 79-066/03L-0:on 791120,containment Cooler 12 Taken Out of Svc to Repair Sticking Fan Motor Controller Handswitch. Cause Not Stated.Spring Tension on Switch Handle Adjusted

ML19290B701
Person / Time
Site:	Calvert Cliffs
Issue date:	12/10/1979
From:	Bauer E, Heibel R BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19290B699	List: ML19290B698 ML19290B701
References
LER-79-066-03L, LER-79-66-3L, NUDOCS 7912130543
Download: ML19290B701 (1)

Text

U.S. NUCLEAR REGULATORY COMMISSION RC FORM 356

• 7 771 LICENSEE EVENT REPORT .

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sK "C 68 69 DATE 74 75 8 60 61 NUMBER k EVENT DESCRIPTION AND PROB ABLE CONSEO.UENCEs h I Fo 121 l At 1315 on November 20, 1979, #12 Containment Cooler was taken out  ;

l cf service to repair the fan motor controller handswitch. The hand- I o 3 l  !

o 4 I switch was repaired and the Contairrient Cooler returned to service I r l o I s l I at 1350 on November 20, 1979. This is not a repetitive occurrence.

I o e I(T.S.3.6.2.2) .

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33 34 35 36 37 40 di 42 44 47 CAUSE CESCRIPTION AND CORRECTIVE ACTIONS h 1

i o l Number 12 Containment Cooler handswitch at Control Room board 1C10 was I

i i reported to be stickino in the high soeed position. The corrective .

> 2 1 action was to adjust the sprina tension on the switch handle. No

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l ,131 l further action is reauired.

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