ML20084S626

Telecopy Ao:On 750721,traversing Incore Probe (TIP) 3 Ball Valve Failed to Close.Shift Foreman Went to TIP Cubicle & Tapped Valve,Causing Valve to Close.Further Info to Be Provided in AO 50-254/75-17

ML20084S626
Person / Time
Site:	Quad Cities
Issue date:	07/22/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S391	List: ML20084S390 ML20084S616 ML20084S626
References
NJK-75-370, NUDOCS 8306170139
Download: ML20084S626 (1)

Text

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^~i iT[> Telephona 309/854-2241 flJ K-75-3 70 Telecopy; Region t il, Attention: Mr. C. Feierabend July 22, 1975 J. keppler, Regional Director Di' rectorate of Regulatory Operations Region ill U.S. Nuclear Regulatory Commission 799 Rooseveit Road Glen Elly.4, li f fnois 60t37

Reference:

0.uad-Cities Nuclear Power Station, Unit I Docket No. 50-254. DPR-29 Appendix.A., Sections 1.0.A.2, 3.7.D.I, 6.6.B.I.a Gear- Mr. V.epp : er -

The purpose of this letter is to provide you with notification of an Abeorma'!

Occurrence as required ny Technical Specification 6.6.B.I.a within.24 Fours of the occurrence.

At 9: 15AM on July 21, 1975, with lanit 1 operating at 675 HW , Traversing incore Probe (TIP) number 3 ball valve. failed to close uoan compleElon of the TIP trace.

Tiie key for the souib valve was immediately given to the Unit 1 coerato:- for use in,frolating the r.ystem.If the need arose. The Shift Foreman then went to t he TIP cubicle .and tapped the valve, causing it to close at 10:30Am.

This occurrence was discussed by telephone with Mr. re lerabend of your office on July 22, 1975 Further information will be provided by Abnormal Occurrence Roport A0 50-254/75-17 which will be submitted within 10 days of the date of this occurrence.

Viary t ruly yours ,

CJMMONVEALTR EDIS0tt C04PANY QUAD-C ITIES RUCLEAR P0tfER STATION f /

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fl. J . Palivianakis ita t iun Supe ri n tende.n e iJK/SRH/vmb cc: Ji reer.or or Of fice of fluclear Reactor Requiation J.G. Abei b- 1

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