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)

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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

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ATOMIC ENERGY COMMISSION S,.

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

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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

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(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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