ML20085C964

Telecopy Ao:On 741010,switch 1 of LIS-1-263-72C Would Not Trip at Test Pressure.Mercury Switch Realigned & Recalibr. Further Info to Be Provided by AO 50-254/74-32

ML20085C964
Person / Time
Site:	Quad Cities
Issue date:	10/11/1974
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085C963	List: ML20085C961 ML20085C964
References
NJK-74-327, NUDOCS 8307130279
Download: ML20085C964 (1)

Text

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'"TELECOPYt Region. III,, Attention:t Mr.- C;. Feierabendc

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october II.,1974- -

J. Keppler., Rogional Director Directorate of Regulatory Operations Region.III U S ATOMIC ENERGY COMMISSION':  !

i 7CO Roosevelt Road l l Glen Ellyn, Illinois.. 60137 t REPERENCB's. QUAD-CITIES UUCLEhR POWSR SIATION, Unit 1 Docket No. 50-254, DPR ! Appendix A. Sections.1.0.A.2,3.2.BL ,.. Table 3.2.2, l 6 . 6~. D. 1 . a . t

Dear Mr..Kbpplert:

t--The purpose of this, letter is:to. provide you wittr: notification. OE fr . an . Abnormal Occurrence as regaired by Technical Specification.

6.6.Be1.a... withina 24' hours of the occurrence..

k on.. october 10,1974rwhile perfordng routine surveillance.calibra-b tions tonting of LIS-I-263-72C; it was discovered that. switch. number 1 ona. would not trip. regardless ofs test pressura appli'ed!. The- mercury-

- switch..was realigned and recalibrated. The switch was retested on.

October 21, 1974 and: found to bo natisfactorys A routinn functional I

- tent is planned. next moa.th.: for< this , switch..

k This occurrenco was discussed hy- telephone- with.-Mr Ea Jordan. of:

your offica on_ October 11., 1974 Further information will. be pro.-

vided. by Abnormal Occurrence Report. A0 50-254/74-32'.which.will. be-

= cubmitted . within.10" dsys of: the date of this occurrence.

l very truly yours,

' COMMON fB ALTH . EDISON *. COMPANY OUAD-CITIES NU' LEAR. Po R STATIONC

$Y  ?

N;.J. Kalivianakis y,.

Station superintendent -

8307130279 74101s i NJK"iCWS/dkp. PDR ADOCK 05000254 S PDR cc t. Directorate: of Licensing- -

J S'. Abel.

] 1' $74 y

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