ML20084P917

Ro:On 740321,suppression Chamber Level Transmitter Lt 1-1626 Instrument Found to Have Poor Response Characteristics. Sensing Line Back Flushed & Instrument Recalibr

ML20084P917
Person / Time
Site:	Quad Cities
Issue date:	03/21/1974
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084P904	List: ML20084P900 ML20084P917 ML20084P935
References
NUDOCS 8306130071
Download: ML20084P917 (2)

Text

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-O REFERENCE QUAD CITIES NUCLEAR POWER STATION DOCKET NUMBER 50-254 O DPR-29 APPENDIX A SECTION 1.0.A .2 AND 1.0.A.4 AND 3.7. A.I . A 6.6.B.I.A AT APPROXIMATELY 1500 HOURS ON MARCH 21 1974 DURING O ROUTINE QUARTERLY CALIBRATION CHECX OF UNIT ONE SUPPRESSION e CNAMBER LEVEL TRANSMITTER LT l-1626 INSTRUMENT WAS FOUND TO HAVE POOR RESPONSE CHARACTERISTICS SENSING LINE WERE B ACK FLUSHED O AND INSTRUMENT WAS RECALIBRATED FOLLOWING CALIBRATION TORUS e LEVEL WAS FOUND TO BE READING MINUS 4 INCHES EXCEEDING TECHNICAL SPECIFICATIONS 3.7.A .1.A STEPS WERE TAXEN TO IMMEDI ATELY RESTORE O THE SUPPRESSION CHAMBER LEVEL ID WITHIN SPECIFICATIONS BY ADDING O WATER FROM THE CONTAMINATED CONDENSATE STORAGE TANK N J xai.Iv1 ANAx1S ,

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1. 'dift #5 799 ROOSEVELT ROAD 7gtgpgogg GLEN ELLYN. ILLINOIS 6o137 (312) 858-2660 -

1 A. RO Inspection Report No. -

Transmittal Date  :

Distribution: Distribution:

RO Chief, FS&EB RO Chief, FS&EB RO:HQ (5) RO:HQ (4)

DR Central Files L:D/D for Fuels & Materials .-

Regulatory Standards (3) DR Central Filas Licensing (13) RO Files RO Files _

B. RO Inquiry Report No.

Transmittal Date  :

Distribution: Distribution:

R0 Chief, FS&EB R0 Chief, FS&EB RO:HQ (5) RO:HQ DR Central Files DR Central Files Regulatory Standards (3)

R0 Files Licensing (13) .

RO Files C.

Incident Notification From: Commonwealth Edison Co. Docket No- 50-294 ~

(Licensee & Docket No. (or License No.)

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Transmittal Date  : March 27, 1974 Distribution: Distribution:

RO_ Chief; FS&EB_ RO Chief, FS&EB RO:HQ (4) RO:HQ (4)

Licensing (4) L:D/D for Fuels & Materials ._

DR Central Files DR Central Files RO Files RO Files

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