ML20084K589

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Telecopy Ro:On 740613,level Switch LIS-2-263-72D Failed. Switch Lightly Pressed & Functioned Normally.New Switch Ordered
ML20084K589
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 06/14/1974
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084K568 List:
References
NUDOCS 8305190488
Download: ML20084K589 (1)


Text

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n PMS J KEPPLER, REGIONAL DIRECTOR,

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-REFERENCE QUAD CITIES NUCLEAR POWER STATION UNIT 2 DOCKET 50-265, t

BPR-30, APPENDIX A SECTIONS 1.0.A.2, 3.2.B CABLE 3.2.2, AND 6.6.8 ON JUNE 13 WIIH THE REACTOR IN'THE COLD SHUT DOWN CONDITION, j

SURVEILLANCE FUNCTIONAL TESTING WAS.BEING PERFORMED. WHEN THE c

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-v TEST PRESSURE WAS APPLIED TO LIS-2-263-72D IT FAILED TO TRIP.

THE MERC010' SWITCH WITHIN THE LEVEL SWITCH WAS NOT. ACTUATING,

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l IT WAS TESTED NUMEROUS TIMES WITH NO FAILURES. A NEW LIS WILL j

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