ML20084S232

Telecopy Ao:On 750731,4 of 16 HPCI Area High Temp Switches Tripped at Values in Excess of Tech Spec Limits.Switches Calibr.Further Info to Be Provided in AO 50-265/75-29

ML20084S232
Person / Time
Site:	Quad Cities
Issue date:	07/31/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S228	List: ML20084S226 ML20084S229 ML20084S232
References
NJK-75-391, NUDOCS 8306160295
Download: ML20084S232 (1)

Text

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4 uclear Power Stahon [\_/T' Post Ofheboax 216

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Cordova, lihnois 61242

- . - Telephone 309/654-2241 NJK-75-391 -

Telecopy: Region ill, Attention: Mr. C. Felerabend [/N)[J'!; -ci July 31, 1975 [ 4//gpc Su,s ,

J. Keppler, Regional Director 4 Directorate of Regulatory Operations Region til -

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U. S. Nuclur Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 l Refe rence: Quad-Cities Nuclear Power Station Docket No. 50-265, DPR-30 Appendix A, Section 1.0.A.2, 3 2.A, 6.6.B.I.a

Dear Mr. Keppler:

The purpose of this letter is to provide you with notification of an Abnormal Occurrence as required by Technical Specification 6.6.3.1.a wi thin 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of the occurrence.

While in the process of trouble shooting an isolation of the Unit Two HPCI turbine 4 of the 16 HPCI area high temperature switches tripped at values in excess of their limits. The others were wi thin limi ts. All were calibrated and ' functionally tested. ,

This occurrence was discussed by telephone with Mr. Knop of your office on July 31, 1975 Further information will be provided by Abnormal Occurrence Report No. A0 50-265/75-29 which will be submitted within 10 days of the date of this occurrence.

Very truly yours, COMMONWEALTH EDISON COMPANY QUAD CITIES NUCLEAR , POWER STATI ON

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$ -c lh N. J. K111 vianaki s Station Superintendent NJK/RAR/lk cc: Director of Office of Nuclear Reactor Regulation J. S. Abel 8306160295 750808

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