ML20085D084

Telecopy Ao:On 730709,two Safety Injection Pumps Experienced Overcurrent Trips.Caused by Overcurrent Trip Devices Tripping at Lower than Desired Value.Trip Setting Increased

ML20085D084
Person / Time
Site:	Robinson
Issue date:	07/09/1973
From:	Furr B CAROLINA POWER & LIGHT CO.
To:	Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085D064	List: ML20085D062 ML20085D066 ML20085D072 ML20085D077 ML20085D084
References
NUDOCS 8307200326
Download: ML20085D084 (2)

Text

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8033321351 TDMT HARTSVILLE SC 95 07-09 0327P EST PMS NORMAN C MOSLEYDIRECTOR REGION 2, DLR 0

AEC DIRECTORATE REGULATORY OPERATION 230 PEACHIREE ST O

ATLANTA GA 30303 ,

IN ACCORDANCE WITH SECTION 6.6.2 0'F THE PLANT TECHNICAL SPECIFICATION 3 THE FOLLOWING ABNORMAL OCCURENCE IS REPORTED:

ON MONDAY JULY 9 1973 TWO SAFTEY INJECTION PUMPS EXPERIENCED O OVERCURRENT TRIPS WHEN A MANUAL START WAS INITATED TO SUPPLY MAKEUP TO THE S.I. SYSTEM ACCUMULATORS. THE THIRD PUMP STARTED o AND OPERATED PROPERLY. INVESTIGATED REVEALED THAT THE NEW OVERCURRENT 3 TRIP DEVICES WHICH WE INSTALLED ON THIS PUMPS WERE TRIPPING AT LOWER THAN DESIRED VALUE. THE TRIP SETTING WAS INCREASED \

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THE ABNORMAL OCCURENCE WAS REPORTEDTO MR HERB WHITENER IN PERSON O

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, O O JUL 101973 Telegram from Carolina Power and Light Company, Benny J. Furr, dated July 9,1973 261 4

DISTRIBUTION:

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DR Central Files .

Regulatory Standards (3)

Directorate of Licensing (13)

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