ML20084J149

Telecopy Ro:On 730203,limit Switch on MSIV 1C Found Inoperable.Instrument Channel W/Failed Switch Tripped by Removing Fuse

ML20084J149
Person / Time
Site:	Quad Cities
Issue date:	02/03/1973
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	Giambusso A US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084J139	List: ML20084J138 ML20084J143 ML20084J149 ML20084J154
References
NUDOCS 8305120196
Download: ML20084J149 (1)

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'ZCZC 3096542241 TDBN CORDOVA IL 97 02-03 1237P EST PMS ANGELO GIAMGUSSO, DLR DEPUTY DIRECTOR DIRECTORATE OF LICENSING US ATOMIC ENERGY COMMISSION-WASHINGTON DC REFEREtlCE QUAD CITIES NUCLEAR POWER ST ATION UNIT ONE DOCKET 50 -254 DPR29 APPENDIX A SECTION 1.0. A.2AND 3.1 WITH THE UNIT

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.ONE REACIDRJT_ 35 PERCENT POWER A LIMIT SWITCH ON MAIN srt.AM IWORTT6N VALVE IC WAff700ND 10-SE~TNUPERABCOli SWAS DISCOVERED WIfi[.E CONDUCTI!!G Tile MONTHLY MSIV SCRAff SENSOR FUNCTIONAL SURVEILLAf!C E TEST. THE OTHER LIMIT SWITCHES ON THIS VALVE AND THE REMAINING SEVEN VALVES WHICH PROVIDE AN INPUT TO THE REACTOR PROTECTION SYSTEM UERE OPERABLE. THE INSTRUMENT CHANNEL WITH THE FAILED LIMIT SWITCH HAS BEEN TRIPPED BY REMOVING A. FUSE TO COMPLY WITH TECHNICAL SPECIFICATIONS. '

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