ML20084P755

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Telecopy Ro:On 760617,HPCI Sys Motor Speed Changer Failed to Come Off Low Speed Stop During Monthly Surveillance.Caused by Motor Speed Changer Linkage Being Bound.Linkage Freed
ML20084P755
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 06/17/1976
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NJK-76-230, NUDOCS 8306130021
Download: ML20084P755 (2)


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Telephono303/654 2241 NJK-76-230 Talecopy:

Region iI1, Attention:

Mr. C. Felerabend Jun2 17, 1976 s

J. Koppler, Regional Director i

Office of Inspection and Enforcenent i,

Region til 5

U. S. Nuclear Regulatory Co::vnission 799 Roosevelt Road Gian Ellyn, IIIinois 60137

Reference:

Quad-Cities Huclear Power Station, Unit I Docket Ib. 50-254, DPR-29 k

C Appendix A. Sections 6.6.D. I.e. 3 5.C. I E

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Dear Mr. Keppler:

o Ej The purpose of this letter is to provide you with notification of a Reportable E

Occurrence as required by Technical Specification 6.6.B.1 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of

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tha occurrence, p

t On June 17, 1976, the Unit I High Pressure Coolant injection system rmtor E

speed changer failed to come off the Low Speed Stop during its monthly sur-b vaillance.

Investigation found the motor speed changer linkage to be bound.

W After freeing the linkage, the raotor speed changer operated satisfactor!Iy.

IJ Proper operation of the Low Speed Stop limit switch is under Investigation.

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E This occurrence was discussed by telephone with Mr. Knop of your office on i

June 17,1976.

Further information wi t! be provided by Reportable Occurrence V

R port t:o. RO 50-254/76-19 which will be subciitted within 14 days of the date

!9 of this occurrence.

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V:ry truly yours, ei C0t#tDNWEALTH EDISON COMPANY QUAD-CITIES HUCLEAR POWER STATION

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U N. J. Kalivianakis Stction Superintendent r-

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i 8306130021 760617 PDR ADOCK 05000254 I

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n UNITED STATES NUCLEAR REGULATORY COMMisslON ItEGION lli 799 ROOSCVELT HOAD GLEN ELLYN BLLINOIS 60137 Incident Notification From:

Commonwealth Edison Company 50-254 (Licensee & Docket No. (or License No.))

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Transmittal Date:

June 28, 1976 Quad-Cities. Station-Unit #1 i

Distribution:

Distribution:

IE Chief, FOSB

'IE Chief, FOSB IE Chief, FC&EB IE Chief, FC&EB IE:HQ(4)

IE:HQ(4) i Licensing (4)

L:D/D for Fuels & Materials DR Central Files DR Central Files IE Files IE Files i

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