ML20084J244

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Telecopy Ao:On 730427,during Calibr of Low Level Scram Sensors,Three Switches Found Drifted Beyond Required Setpoint.Switches Recalibr
ML20084J244
Person / Time
Site: Quad Cities 
Issue date: 04/27/1973
From: Kaliviankis N
COMMONWEALTH EDISON CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084J247 List:
References
NUDOCS 8305120270
Download: ML20084J244 (2)


Text

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799 ROOSEVELT RD GLEN ELLYN IL 60137 REFERENCE Q'UAD CIT Y NEUCLUAR POWER STATION ' UNIT 1 DOCKET 50-254 DPR-29, APPENDIX A SECTION 1 0. A.2 AND 3.1 DURING ROUTINE CALIBRATION m

0F THE LOW LEVEL SCRAM SENSORS ON APRIL 27, 1973 3 SWITCHES WERE FOUND TO HAVE DRIFTED BEYOND THE SET POINT REQUIRED BY n

c THE LIMITING CONDITIONS FOR OP0 RATIONS LIS 1-263-57 A3 AND l-263-58A f

TRIP AT CALIBRATION TEST PRESSURES OF 67.8, 67.1 AND 68.8. INCH 3,

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  1. 49, p 799 ROOSEVELT ROAD T ELEPHONE GLEN ELLYN, ILLINOls 60137 012:3 ese.zeso REGULATORY OPERATIONS, REGION III A.

RO Inspection Report No.

Transmittal Date Distribution:

Distribution:

RO Chief, RT&OB or RO Chief, RCB RO Chie f, M&FFB RO:llQ (5)

RO:HQ (4)

DR C ntral Files L:D/D for Fuel & Materials Re,ulatory Standards (3)

DR Central Files Licensing (13)

B.

RO Inquiry Report No.

Transmittal Date Distribution:

Distribution:

R0 Chief, RT&OB or R0 Chief, RCB (2)

RO Chie f, M&FFB RO:ilQ (5)

RO:ilQ DR Central Files DR Central Files Regulatory Standards (3)

Licensing (13)

C.

Incident Notification From:

,_C_ommonwealth Edison Company DPR-29 q

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

Transmittal Date April 30, 1973 Distribution:

Distribution:

E0 Chief. RT&OB or RO Chief, RCB R0 Chie f, M&FFB RO:llQ (4)

RO:llQ (4)

Licensing (4)

L:D/D for Fuel & Materials DR Central Files DR Central Files

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