ML20086D671
| ML20086D671 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 06/14/1973 |
| From: | Riley B VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086D660 | List: |
| References | |
| AO-73-17, VYV-2719, NUDOCS 8312020439 | |
| Download: ML20086D671 (2) | |
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VIcRMONT YANKICic NUOLicAR POWIcn CORPORATION CCVr.NTY GCVCN OROVE STRcCT I
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IDJTLAND. VrmMONT OG701 WV-2719 P.o.nox in7 1
vennoN. VERMONT 05154 j
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June 14,1973 j
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i United Staten Atomic Energy Commission Directorate of Regulatory Operations, Region 1 970 Droad Strent Newark, New Jeracy 07102 i
kEFERENCE: Operating Licenae DPR-28 Docket No. 50-271 Abnormal Occurrence No. A0-73-17 Centlecen:
Au defined,by Tedinical Specifications for the Vamont Yanhec Nuclear Power Station, Section 6.7. A.c. we are reporting the following Abnormal Occurrence as A0-73-17 and confiming.our. telephone converaation with your office.
At 0015 on June 14,1973, during preparation for.a reactor startup, Dryvell Purging and Vent Exhaust valve V-16-19-7A failed to shut. The j
inoperability of valve V-16-19-7A exceeds the Limiting Conditions for I
Operation an defined by section 3.7. A.2 of Tech. Specs. The subject.
section states that prituary containtaent integrity shall be maintainer 1 at all tieca when the reactor is critical or when the reactor water temperature I
in above 212*F and fuel fu in the reactor vessel. The reactor was shutdown and reactor unter tot:perature was 480*P at the titae of the incident, i
1 Valves V-16-19-4 and V-16-19-16 were closed it::nodiately insuring.
I containuent integrity.
V-16-19-7A was oubacquently chut and its air operator van occured.
Very truly yours, i
VERHONT YANKEE' NUCLEAR POWER CORPORATION 1
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8312020439 730621 PDR ADOCK 05000271 S
PDR B.W. b(.cy g
1 Plant Superintendent
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Vermont Yankee Nucient Power Corp.
II. D. Thornburg, carr Docket No.: 50-271
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- N Abnorm 11 Occurrence:
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The attached report from the subject licensee is cart Regulatory Standards 3) 1 f,
Dir. of Licensint (131 forwarded in accordance with R0 Mnnunt Chnnter 1000
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- '4 T O (Name pod w,iet) lisillALS ELMARK5
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R0' Files The action taken by the li_censee is considered
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cut appropriate.
Followup will be performed during a
4 the next inspection Es appronriato.
Copies of t
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U58 OTHER $iDE FOR ADPiilo't AL AEMRKS CFO s $374 O. 445 i$
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