ML20087B892

Telecopy Ao:On 750822,channel of Protection Found Unconservative Due to Failure of Resistance Temp Detector

ML20087B892
Person / Time
Site:	Surry
Issue date:	08/22/1975
From:	Sweeney E VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20087B799	List: 05000280/LER-1975-016, Updated LER 75-16/010:on 750822 & 23,channel II Protection Drifted in Nonconservative Direction.Caused by Moisture Accumulation Between Senson Insulation & Copper Lead Wire. All RTDs Replaced W/Improved Versions ML20087B892
References
NUDOCS 8403090391
Download: ML20087B892 (1)

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.mo yW%#%WF winct.vA net.tRfC AND PWtM CCMPA.W Surry Power Station P.O. Box 315

• Surry, Virginia 23883

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Director of Regulatory Operations '

230 Peachtree Street, N. W. -

Suite S18 Atlanta, Georgia 30303 This is to inform you by'telecopy of an Abnormal Occurrance that was noted on August 22, 1975 at St.rry Nuclear P(Ater Station.

With Unit 1 operating at approxinately -98 per cant power, it was found that one channel of AT protection was unconservative due to the. failure of a resistance temperatura detector.

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E. M. Sweeney, Jr.y_ .

Manager

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