ML20084J495

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Telecopy Ao:On 721228,during Routine Calibr,Electro Hydraulic Control Oil Switch Found to Trip Below Tech Spec Limit.Switch Recalibr
ML20084J495
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 12/30/1972
From: Kalvianakis N
COMMONWEALTH EDISON CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084J493 List:
References
NUDOCS 8305130318
Download: ML20084J495 (1)


Text

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-- To REGION 3 To do unod or filed Attezpts to deliver (Indicate DA or BY) 799 ROOSEVELT ROAD GLEY ELYEN ILL REFERENCE QUADCITY NUCELAR POWER STATION DEOCET 50-254 DTR 29

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APPENDIX A SECTION 1.0.A.2 AND 3 1 DURING ROUIEIN CALIBRATION ON CECEMBER 28, 1972 ECH OIL PRESSURE SWITCH WAS FOUND

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TO TRIP AT LESS THAN 900 PSIG CONTRARY TO TECHNICAL SPECIFICATIONS.

rs THE SWITCH IRIPPED AT 890PSIG AND HAS BEEN RECALIBRATEL TO GREATER THAN 900PSIG UD gy c E1M1 (f54W)

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