ML20085J898

Telecopy Ro:On 740522,main Steam Drain Valve M03-220-2 Failed to Operate Properly.Breaker Tripped & Required Resetting Several Times Before Valve Would Fully Close

ML20085J898
Person / Time
Site:	Dresden
Issue date:	06/17/1974
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	Oleary J US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20085J895	List: ML20085J894 ML20085J898
References
NUDOCS 8310190184
Download: ML20085J898 (1)

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TL4A166 1974 JUN 17 P1 6 46 A WAAl 7 9C 17 47 )( 1-036496Cl 66002)PD C6/17/7 4 172P ff 2

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P2134 TDVE MORRIS IL 126 P6-17 22 5P CDT IN E PAS MR J. F. O' LEARY, HIRECTOR rag j DIRECTOR 41E OF LICENSING O 'E =

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g g[gy g DRiSOEN NUCLEAR POWER STATION UNIT 3 g O A w THIS WILL CONFIRA OUR CONVERS ATION alTH F. MAURA 0F YOUR. 1 WFICE AT 1315 n0URS THAT DATE CONCERMING A FAILURE ~TO OPERATE

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PROPERLY ON MAY 22, 1974 0F MAIN STEAM DRAIN VALVE M03-2PC-P.

4 ;i Lr~ C LUsi.v u ents VALVc. PRIOR TO LOCAL LEAK RATE TESTING THE tNEAXER 1 RIPPED AND REQUIRED RESET 11NG SEVERAL TIMES BEFORE THE .

VALVE WOULD FULLY CLOSE TH h S PROBLEM wAS NOT IN NOTED Tdd j SdIF T ENb!NEERS LOU AT THE 'Ildi AND AS A RESULT THIS REPORT J IS SUdMI T IED LAT E. A 1h DAY LE1iER DETAILe.0 THE CORRECTING

1. C TI ON IS FOR1H COMING IN ACCORDANCE WITH REGULATORY GUIDES  :

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