ML20084S698

Telecopy Ao:On 750718,pressure Switch 2-1001-893 Failed to Operate at Any Pressure.Work Request 2640-75 Initiated to Investigate & Correct Problem

ML20084S698
Person / Time
Site:	Quad Cities
Issue date:	07/18/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S694	List: ML20084S693 ML20084S698
References
NJK-75-363, NUDOCS 8306170172
Download: ML20084S698 (1)

Text

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{t Quad.cir:' 7.enor:twa Station (g/ s Post Ome M218 Cordova, litinoie61242

% .i .' Teisphone 309/654-2241-T NJK-75-363 Telecopy:- Region lit, Attention: Mr. C. Fe i'erabend July ISL 1975 J. Keppler~,. Regional D4 Vector Dfrectorate' of= Regulatory Operations Region til U.S.. Nuclear Regulatory- Comission 797 Roosevelt Road Glen Ellyn, I f Tinors 60137

Reference:

Quad-Cities Nuclear Ptmer Station,. Unit 2 Ducket No. 50-265, DPR Appendix A~,

Sect ions 1.0. A.2'. 3 l .a , . Tabl e 3.1.1 Dear Mr. Kepplerr The purpose of this Occurrence as re letter is to provide you wi th notification of an AbnorrmI the occurrence. quired by Technical- speci fication 6Jr.B..) .a within, 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of At 9:30; A.R.- on July- 18', 1975, pressure switch 2-1001-898, while performing routine quarterly s urveirlance,.

operate at any pressure which trips on- High. Drywell Pressure ,. fai' led to.

Work request correct the problem. 261+0-75 was Initts.ted to investigate and AIT three of the other dryweil pressure:

had a. Nigh designed. Dryweli pressure occurred, function.

sensors operated properly; therefore. .

the trip system would, have performed its This on occuprence July- 18', 1975. was discussed by- telephone with- Mv_ Feierabend of your office-Report Ao- 50*265/75-23 Further information wili be provided by Abnorma.I Occurrence this.occucrence- which- wi TI be- submitted within loi days of the date of Vkry truly yours, .

COMMONWEALTH: EDISON COMPANt'.

QUAD-CITIES NUCLEAR POWER.STATIOW I

N'.J.. Kal Ivianaki s .

Statforr Supecintendent C h, N;.lM/vb, cct Director of the. Office of Nuclestr Reactop Regulation.

J,5.. Abe T.

9306170172 750725 ] 53

• DR ADOCK 05000

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