ML20090E170

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AO 74-10:on 740817,during Routine Surveillance Testing, Barton Differential Pressure Instrument 1 B05C (Emergency Cooling High Flow) Tripped at Lower than Required Value. Caused by Setpoint Drift
ML20090E170
Person / Time
Site: Nine Mile Point 
Issue date: 08/21/1974
From: Schneider R
NIAGARA MOHAWK POWER CORP.
To: Skovholt D
US ATOMIC ENERGY COMMISSION (AEC)
References
8857, A-74-10, A0-74-10, NUDOCS 8303140005
Download: ML20090E170 (2)


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Mr. Donald J. Skovholt

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Aesistant Director for Reactor Operations Division of Reactor Licensing United'Si;ates Atomic Energy Comission Washington, D.C.

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Dear Mr. Skovholt:

In accordance with Technical Specifications l.13d for Nine Mile Point Unit 1, the enclosed Abnormal Occurrence Report is sub-mitted. This report is in accordance with the format set forth in Regulatory Guideline 1.16.

This occurrence was reported to 20:I~

.on August 19, 1974.

Very truly yours, n

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.R. Schnesder Vice President - Electric Operations TJD: m Enc.

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