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 P 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 GLEN ELLYN, ILLINOIS 60137 A. RO Inspection Report No. Transmittal Date Distribution:

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

RO Chief, FS&EB

• RO:HQ (4) TELEPHONE (31 Z) 858-Z660 DR Centra 1 Files Regulatory Standards (3) Licensing (13) L:D/D for Fuel & Materials DR Central Files RO Files' B. RO Inquiry Report No. Tranamittal Date Distribution:

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

RO Chief, FS&EB RO:HQ DR Central .Files RO Files C. Incident Notification From: Commonwealth Edison Co. (Licensee

& Docket No. (o No.) Transmittal Date Distribution:

RO Chief, FS&EB RO:HQ (4) Licensing (4) DR Central Files RO Files November 9, 1973 Distribution:

RO chief, FS&EB RO:HQ (4) L:D/D for Fuel & Materials DR Central Files RO Files

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PD 10/29/73 154*0 I ,, *1 *" o' .. 1.. ? o '=* ' , : L.: :J .1 \, , __ ,,i I r 1 .. 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.

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 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) . . . ... .. ----*-*-**-* -****--** ...

-*-** 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) / :* .*. ,*

• li:'.1.t*.-, n\f * *

--. . . .. .-.... e :* ,: .. . . . \ \ + 50-249 i1iU WSH U.S'. *ATOMIC . .. . t-wx.UNIT . ICS IPMVEIC tlVN 03170 TOVE MORRIS ILL 1145A CST PMS .4 GIAMBUSSO DEPUTY D.-IRECTOR FOR REACTOR PROJECTS illRECTORATE OF US ATOMJC ENERGY COMMISSION 1.-.iASHINGTON DC 205/iS SUBJECT DPR'."'25 DRESDEN NUCLEAR POl.JER STATION UNIT 3. *'-. )* .... 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.

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

DOWN CONDITION.

DIESEL GENERATOR NUMBER 3 WAS GIVEN A START FOR SOME PLANNED' TESTING* INSUFFICIENT I STARTING AIR AND THE DIESEL AND OPERATED SATISFACTORILY*

2/3 DIESEL GENERATOR WAS .4LSO STARTED TO VERIFY ITS OPERPl.BILITY.

AN INVESTIGATION

INTO Ti-IE CAUSE OF FAILURE IS UNDERWAY 1-J P WORDEN / I SUPERINTENDENT DRESDEN NUCLEAR POWER COMMONWEALTH EDISON COMPANY ROUTE 1 MORRIS ILL 823PEDT + ' WESTERN UN\ON"lNCQMlNG*

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