ML20085K117

Telecopy Ro:On 731214,while Conducting Routine post-maint Surveillance,Diesel Generator Cooling Water Pump Breaker Tripped.Investigation Underway

ML20085K117
Person / Time
Site:	Dresden
Issue date:	12/14/1973
From:	Worden W COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085K115	List: ML20085K113 ML20085K117 ML20085K119
References
NUDOCS 8310200081
Download: ML20085K117 (2)

Text

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PNS NR JANES G KEPPLER f i :: pts to deli.a -g gyp

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REGIONAL DIRECTOR DIRECTORIATE-OF-REGULATOR.T OPERATIONS oe REGION 3 WUX hS U S ATONIC ENERGY CONNISSION 799 ROOSEVELT ROAD

@D E8 GLEN ELLYN ILL 60137

[0 SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3.

86 THIS WILL CONFIRN A CONVERSATION WITH NR NAURA 0F YOUR OFFICE AT OO gQ 1030 HOURS THIS DATE CONCERNING A FAILURE OF THE UNIT 3 DIESEL

.x GE E RATOR COOLING WATER PUNP.

ON DECEMBER 14,1973 AT 0005 No.LNts

$$m UNILE CONDUCTING ROUTINE POST-MAINTENANCE SINtVEILLANCE OF THE UNIT 3 DIESEL SE E RATOR-THE 480 VOLT BREAKER FEEDINS THE COOLING WATER PUNP TRIPPED CAUSIMB THE DIESEL GEERATOR TO TRIP DN HIGH 3

""YIhPERATURE.

AL SYSTENS REGUIRED TO BE OPERABLE WNEN TE UNIT 3

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l DIESEL IS OUT OF ' SERVICE WERE INNEDIATELY TESTED AND VERIFIED TO BE OPERABLE.

AN INVESTIGATION INTO THE CAUSE OF THE COOLING WATER PUNP FEED BREAMER TRIP IS UNDERWAY AT THIS TINE.

W P WORDEN, SUPERINTENDENT DRESDEN NUCLEAR POWER STATION j

CONNONWEALTH EDIS0N COMPANY ROUTE I CORRIS ILLINDIS NNNN C E C ?.1 1-l SF-121 (444)

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UNITED STATES

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ATOMIC ENERGY COMMISSION i

7 DIVISION OF COMPLI ANCE

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REGION lli f

/gg e 799 ROOSEVELT ROAD t

7gLgpgogg GLEN ELLYN ILLINOls 60137 (3 2) ass-zeso A.

R0 Inspection Report No.

Transmittal Date Distribution:

Distribution:

RO Chief, FS&EB RO Chie f, FS&EB RO:HQ (5)

RO:HQ (4)

DR Central Files L:D/D for Fuel & Materials l

Regulatory Standards (3)

DR Central Files

)

Licensing (13)

RO Files l

RO Files B.

RO Inquiry Report No.

Transmittal Date Distribution:

Distribution:

R0 Chief, FS&EB R0 Chief, FS&EB RO:HQ (5)

RO:HQ DR Central Files DR Central Files Regulatory Standards (3)

RO Files Licensing (13) l RO Files C.

Incident Notification From: Co:::monwealth Edison. Co., Docket No. 50-249 (Licensee & Docket No. (or License No.)

January 9, 174 Transmittal Date Distribution:

Distribution:

R0_Ch te f.,_JS &E_B_

RO chief, FS&EB RO:HQ (4)

RO:HQ (4)

Licensing (4)

L:b/D for Fuel & Materials DR Central Files DR C. 7 tral Files RO Files RO Fitts h

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