ML20084S802

Telecopy Ao:On 750502,two Rods Withdrawn within Same Nine Rod Array.Procedural Review Being Conducted to Determine Action Necessary to Prevent Future Occurrences

ML20084S802
Person / Time
Site:	Quad Cities
Issue date:	05/05/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S800	List: ML20084S798 ML20084S802
References
NJK-75-253, NUDOCS 8306170330
Download: ML20084S802 (1)

Text

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- ,/ consova, minots 61242' Telephone 309/654 2241" NJK-75-253 704ecopy: Region _ t II:, Attention:- Mks Clarence. FeIerabend.

Itay- S 1975 J. Keppler, RegiorisF Director Dirsetorate, of, Regulatory Operations -

R gion IlI-U'. S. Nuclear Regulatory- Ccmnissioer.

799 Roosevelt Road-Glan: Ellyn3 i l I.Inci s 60137-Refarencer quad-Cities Nuclear Power Station, Unit i Docket No. 50-254, DPR-29: *

._ Appendix A . Sections 1.O s A.2,. 3.3.D .1., 6.6.B'. i .a.

Denr Mr. Keppler:-

The purpose of this. Ietter is to- provide you wi t h> noti ficiatlon. of an- Abnormal Occurrence as required by Technical Specification 6 6.8.1..a within. 24' hours of-the occurrence.

l At 10400 a.m. on May-2, 1975 . with- the Uni t in, refuel mode,. rod J-13. was wi thdrawn i from position 00 to..48- for control rod drive.m Intenance. A simulated full in- -

signal was inserted to. alicw: another rod to be- withdrawn for control rod drive maintenance. At. 8:3i a.m. on nay 3,1975, rod J-15 was withdrawn from post tion.

00 to 4Bi At. 6 :25- p.m., while. attempting to withdraw J-IS for a coupling check.

folloedng naintenance, it was discovered that J-13 was still withdrawn. Thus,.

two rods had licen withdrcwn within the scre nine rod array, in violation of.

Technical Specification 3.3 0.I. Rod J-13 was th:n Inserted, and the coupiing check on J-15 was successfully co@leted. .

A procedural review is being conducted to-determine the actions necessary to. pre-vant similar future occurrences.

This occurrence was discussed by telephone with.itr. Clarence Feierabend of your offi'ce on May 4,1975 Further Information will be provided by Abnormal Occurrence R: port AO' So-254/75-10rwhich.wii1: be submitted within 10 days of the date of this.

occurrence.

- V;ry truly yours, - -

Comt0 WEALTH ED tSOH' COMPANY QUAD-CITIES lit! CLEAR PO',IER STATIO'N N.. J. Kalivianskis-Station' Superintenden 8306170330 750513 PDR ADOCK 05000254 S PDR NJK/Ci!S/Jeh cca ' D Trectorate of. Licensing J. 5. Abel

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