ML20028H278

Special Rept:On 901029,condenser Evacuation Sys Noble Gas Monitor Inoperable for More than 72 H.Monitor Will Return to Svc by 901119,following Completion of Satisfactory Channel Calibr

ML20028H278
Person / Time
Site:	San Onofre
Issue date:	11/13/1990
From:	Nandy F SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9011190347
Download: ML20028H278 (1)

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Southern California Edison Company P3 PARKER STHEET IRVINE:, C ALIFORNIA 92718 F. M. NANDY t T Lt PWarn u ~ un wuca.a t.cewam Novernber 13, 1990 <"*== -

U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D. C. 20555 Gentlemen:

Subject:

Docket No. 50-361 Special Report San Onofre Nuclear Generating Station, Unit 2 Technical Specification (TS) Section 3.3.3.1 to Facility License NPF 10 for San Onofre Nuclear Generating Station, Unit 2, requires Southern California Edison (SCE) provide a Special Report when the Condenser Evacuation System Noble Gas Monitor becomes inoperable for greater than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. This transmittal provides the Special Report required by TS 3.3.3.1.

On October 29,1990, with Unit 2 at 100% power, Condenser Evacuation System Wide Range Noble Gas Monitor 2RT.7870 was removed from service for the 18-month channel calibration sutveillance required by TS 4.3.3.1, Table 4.3 3. SCE anticipates returning 2RT 7870 to service by November 19,1990, following completion of satisfactory channel calibration.  :

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If you require any additional information, please let me know.

Very truly ,ours, -l

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._ cc: J. B. Martin (Regional Administrator, USNRC Region V)

C, W. Caldwell (USNRC Senior Resident inspector, Units 1,2, and 3)

J. E. Tatum (NRR SONGS Project Manager)

Institute of Nuclear Power Operations (INPO) i e

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