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Letter Confirming a 06/17/1974 Conversation Concerning a Failure of Main Steam Valve M03-220-2 to Operate on 05/22/1974 - Dresden Unit 3
	ML17252A536
Person / Time
Site:	Dresden
Issue date:	06/17/1974
From:	Stephenson B; Commonwealth Edison Co
To:	O'Leary J; US Atomic Energy Commission (AEC)
References
	Download: ML17252A536 (1)
	v • d • e

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USAEC HQ$ GTWN WI).. WSH TLXAl 66 1974 JUN* 17 PM 6 4~

_WAA 17 9C l 7 47 > C 1-036 49~C.l 68002 >PO

~6/ 1_717 4 17 20

. ~ ICS 'IPM.VEI B _MVN 021~4 TOVE MORRIS. IL 126 06-17 225P CDT PMS MR J. F'~ o*LEARY.1 f>IRECTOR DIRECTORATE OF LICENSING.

U..S~*ATOMIC [NERGY COMf.fi T W

~-UNIT.

DIRECTORATE OF LICENSING WUX US ATOMJC ENERGY COMMISSION WASH I NGTO_N DC 20 545

.50-249 llilS WJLL CONFIRM OUR CONVERSATION WITH F. MAURA OF YOUR..

~FICE AT 1315 HOURS THAT, DATE CONCERNING A_FAILURE~TO OPERATE PROPERLY ON MAY 22,, 1974 OF MAIN STEAM DRAIN VALVE M03-220-2 *..

WHILE CLOSING THIS VALVE PRIOR TO LOCAL LEAK RATE TESTING THE

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BREAKER TRIPPED AND REQUIRED RESETTING SEVERAL TIMES BEFORE THE VALVE_WOULQ FULLY CLOSE THIS PR.OBLEM_WAS NOT NOTED IN THE:*

9-iIF'T ENGINEERS LOG AT THE TIME AND AS A.RE.$..ULT THIS REPORT IS SUBMITTED LATE. A.* ~_DAY LETTER DETAILED THE CORRECTING

~TION IS FO~TH COMING IN ACCORDANCE WITH REGULATORY*GUIDES

1. 1 6.

a.a. STEPHEN~ON.. SUPERTINDENT DRESDEN NUCLEAR.POWER STATION COMMONWEALTH EDISON COMPANY RTE 1 MORRIS. ILLINOIS 60450 N\\JNN

.. 557P.EDT

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ML17252A536