ML20086D722
| ML20086D722 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 06/12/1973 |
| From: | Riley B VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086D712 | List: |
| References | |
| AO-73-15, VYV-2714, NUDOCS 8312020470 | |
| Download: ML20086D722 (2) | |
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VIDRMONT YANKIcic NUOLEAR POWER CORPORATION i
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SEVt:NrY SEVEN OHOVE GTFTECT RUTLAND, VtritMONT Or>701 Af f*LY T&r WV-2714'
- p. o. nox say VEttNON, VERMONY 05354 j
Jime 12,1973;
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United Statco Atomic Energy Cormticcion Directorate of Regulatory Operations, Region 1:
6 970 Broad Street Newark, New Jersey 07302-d, REFERENCC:
Operat.inD Licenan DPR-28 Docket No. 50-271 Abnormal Occurrance No. A0-73-15 l
1 Gentlement
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Au defined by Technical Specifications for the Vermont Yankee NucIcar Power Station, Section 6.7. A.c, we are reporting the following Abnormal Occurrence as A0-73-15 and confirming our telephone convernation with your office.
At approximately 1100 on June 12, 1973, while performing. a.testc in accordance with Tech. Spec. Table 4'.1.1, the First State Turbinu Prenoure Permionive Pressure Switch 5-14A, which deenergizes relay-SA-K9A above 220 paia, Iailed to.neet the proper outpoint. This Barksdale sonnor is. required by Tech. Spec. Section 4.1.A to. operate-with the Reactor mode switch.in the RUlr modo..The reactor was operating at approximately 75% at the tice of this occurrence.
The switch was reset from 235 psia to operate at a conservative notpoint of 207' pain and: returnod.to acrvice at approximately 1120 June 12,1973.
Very truly yours, VERHONT YANKEE NUCLEAR /%'ER CORPORATION A
B A Riley-M Plant: Superintendent:
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j PDR ADOCK 05000271
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Ter 8eferrantion.
s o m....aa.<..o i,. m a al ass Licensce:
Vermont Yankee Atomic Power Corporation i
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Abnormal Occurrence:
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The attached report from the subject licensee is ouc Regulatory Standards
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Dir. of Licencing (131 forwarded in accordance uith RO Manual Chanter 1000,
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io (n....no u,,,o i,.maa etwaans g_ _.na_W i es-The action taken by the licensee is considered
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Followup will be performed during h..
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the report have been forwarded to the pDR, Local m /- (,,'Ml.;
PDR, NSIC, DTIE and State representatives. The
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R.' T. Carlson, RO:1 licensce will submit a 10 day written report to 4
PHOtet lech E' Al t g,
6/14/73 Licensing.
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