ML17252A948

Letter Confirming a 10/29/1973 Conversation Concerning Failure of the Air Start System on Diesel Generator Number 3 - Dresden Unit 3

ML17252A948
Person / Time
Site:	Dresden
Issue date:	11/09/1973
From:	Worden W Commonwealth Edison Co
To:	Giambusso A US Atomic Energy Commission (AEC)
References
Download: ML17252A948 (3)

Text

• UNITED STATES ATOMIC ENERGY COMMISSION DIVISION OF COMPLIANCE REGION Ill 799 ROOSEVELT ROAD TELEPHONE GLEN ELLYN, ILLINOIS 60137 (31 Z) 858-Z660 A. RO Inspection Report No.

Transmittal Date Distribution: Distribution:

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

• RO:HQ (4)

DR Centra 1 Files L:D/D for Fuel & Materials Regulatory Standards (3) DR Central Files Licensing (13) RO Files RO Files' B. RO Inquiry Report No.

Tranamittal Date Distribution: Distribution:

RO Chief, FS&EB RO Chief, FS&EB RO:HQ (5) RO:HQ DR Central Files DR Central .Files Regulatory Standards (3) RO Files Licensing (13)

RO Files C. Incident Notification From: Commonwealth Edison Co.

(Licensee & Docket No. (o No.)

Transmittal Date November 9, 1973 Distribution: Distribution:

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

Licensing (4) L:D/D for Fuel & Materials DR Central Files DR Central Files RO Files RO Files

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lC.::i l?MVEIC MVN 03169 TDVE MORRIS ILL. 125 10-29 1145A CST PMS JAMl:S G KEPPLER REGIONAL DIR_ECTOR DIRECTORATE OF REGULARITY OPERATIONS REGION 3 US ATOMIC ENERGY COMMISSION 799 ROOSEVELT RD GLEN ELLYN ILL 60137

)UBJECT D?R-25 DRESDEN NUCLEAR POWER- STATION UNIT 3.

IHl~ WILL CONFIRf1 A COONVERSATION WITH MR F MAURA OF YOUR OFFICE AI 1120 HOURS THIS DATE CONCERNING A FAILURE OF THE AIR START SYSTEM ON DIESEL GENERATOR NUMBER 3.

ON OCTOBER 28, 1973 AT 910AM FOR UNIT 3 WAS IN THE COLD CH£CK DOWN CONDITION DIESEL GENERAI~~ NUMBER 3 WAS GIVEN A START SIGNAL FOR SOME PLANNED TESTING. INSUFFICIENT

>IARTING. AIR LINE AND THE DIESEL STARTED AND OPERATED SATISFACTORILY *. 2/3 DIESEL GENERATOR WAS ALSO STARTED SF-1201 (R5-69)

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AND LOADED TO VERIFY / ,*

lI.S OPERABILITY. AN INVESTIGATION INTO THE CAUSE OF FAILURE l.;;) UNDERWAY W P WORDEN SUPERINIENDENI DRESDEN NUCLEAR POWER .STATION CO!rJMONWEAL IH EDISON COMPANY RO UTE 1 MORR IS ILL OCT 3 1 SF-1201 (R5-69)

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ICS IPMVEIC tlVN 03170 TOVE MORRIS ILL 125.1~-29 1145A CST PMS .4 GIAMBUSSO DEPUTY D.-IRECTOR FOR REACTOR PROJECTS illRECTORATE OF LICE~SING US ATOMJC ENERGY COMMISSION 1.-.iASHINGTON DC 205/iS SUBJECT DPR'."'25 DRESDEN NUCLEAR POl.JER STATION UNIT 3.

~IS WILL CONFIRM A COONVERSATfdN

. .WITH 'MR F MAURA OF YOUR OFFICE AT 1120 HOURS THIS DATE CONCERNING A FAILURE OF THE AIR START SYSTEM ON DIESEL GENERATOR NUMBER 3.

~OCTOBER Bl 1973 .AT 910AM FOR UNIT 3 WAS iN TH£ COLD '*

~ECK DOWN CONDITION. DIESEL GENERATOR NUMBER 3 WAS GIVEN A START ~IGNAL FOR SOME PLANNED' TESTING* INSUFFICIENT

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I STARTING AIR Li~E AND THE DIESEL ~TARTED AND OPERATED SATISFACTORILY* 2/3 DIESEL GENERATOR WAS .4LSO STARTED A~D1LOADED TO VERIFY ITS OPERPl.BILITY. AN INVESTIGATION :INTO Ti-IE CAUSE OF FAILURE IS UNDERWAY 1-J P WORDEN /

I SUPERINTENDENT DRESDEN NUCLEAR POWER ST~TION COMMONWEALTH EDISON COMPANY ROUTE 1 MORRIS ILL 823PEDT

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