ML20086H190: Difference between revisions
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' VERhiONT YANKEE NUCLEAR POWER CORPORATION SCVcNTY OCVcH OMOVE OTitCCT Rurt. Ann. VtmMONT 05701 sitPLY tos P. O. DOX 187 VYve2356 VERNON. VERMONT 05354 Deccaber 4, 1972 | |||
+- | |||
United States Atomic EnerEy Comission Directorate of Regulatory Operations, Region I 970 Broad Street Newark, New Jersey 07102 l | |||
United States Atomic EnerEy Comission Directorate of Regulatory Operations, Region I 970 Broad Street | |||
Newark, New Jersey | |||
==REFERENCE:== | ==REFERENCE:== | ||
Operating License DPR-28 i | Operating License DPR-28 i | ||
Docket No. 50-271 Abnormal Occurrence No. A0-72-14 Gentlenent l | Docket No. 50-271 Abnormal Occurrence No. A0-72-14 Gentlenent l | ||
) | An defined by Technical Spectfications for the Vermont Yankee | ||
) | |||
Nuelcar Power Station, Section 6.7.A.c, we are reporting the following Abnormal Occurrence as A0-72-14 and conffreing our telephone converaction with your office. | |||
At approximately 1015 on the corning of Deccaber 4 while perforning routino surveillance on the Core Spray System, the Reactor Pressure Switch (RilR/ Core Spray Pernisoive) designated pS 2-3-523 actuated at a pressure | At approximately 1015 on the corning of Deccaber 4 while perforning routino surveillance on the Core Spray System, the Reactor Pressure Switch (RilR/ Core Spray Pernisoive) designated pS 2-3-523 actuated at a pressure | ||
<335 pufn, This constitutco a violation of Technical Specifications, Tablo 3.2.1, which specifles a value of 350 -l-15 poig, and requires two operable inntrunent channela per trip system. The nyate:n vould have operated, if required, due to the one out of two logic employed. The reactor who operating at a power level of approximately 65% at the time of this occurrence. | |||
The switch van irnediately recet, functionally tested, and verified to be operable within the tolerance npecified. This renedial action van completed in a tino span which precluded the neceouity of further action. | The switch van irnediately recet, functionally tested, and verified to be operable within the tolerance npecified. | ||
Very truly youro, VERP .'T Y N 'E PUCLEAR POWER CORPORATION hl | This renedial action van completed in a tino span which precluded the neceouity of further action. | ||
Plant Superintendent | Very truly youro, VERP.'T Y N | ||
HFL/rph | 'E PUCLEAR POWER CORPORATION hl hl O | ||
I | 1 Robert F. | ||
(}} | nes Plant Superintendent | ||
), | |||
7[ | |||
HFL/rph t-m <' | |||
I | |||
( | |||
-}} | |||
Latest revision as of 02:06, 14 December 2024
| ML20086H190 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 12/04/1972 |
| From: | Rosalyn Jones VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| AO-50-271-72-14, VYV-2356, NUDOCS 8401160051 | |
| Download: ML20086H190 (1) | |
Text
.
' VERhiONT YANKEE NUCLEAR POWER CORPORATION SCVcNTY OCVcH OMOVE OTitCCT Rurt. Ann. VtmMONT 05701 sitPLY tos P. O. DOX 187 VYve2356 VERNON. VERMONT 05354 Deccaber 4, 1972
+-
United States Atomic EnerEy Comission Directorate of Regulatory Operations, Region I 970 Broad Street Newark, New Jersey 07102 l
REFERENCE:
Operating License DPR-28 i
Docket No. 50-271 Abnormal Occurrence No. A0-72-14 Gentlenent l
An defined by Technical Spectfications for the Vermont Yankee
)
Nuelcar Power Station, Section 6.7.A.c, we are reporting the following Abnormal Occurrence as A0-72-14 and conffreing our telephone converaction with your office.
At approximately 1015 on the corning of Deccaber 4 while perforning routino surveillance on the Core Spray System, the Reactor Pressure Switch (RilR/ Core Spray Pernisoive) designated pS 2-3-523 actuated at a pressure
<335 pufn, This constitutco a violation of Technical Specifications, Tablo 3.2.1, which specifles a value of 350 -l-15 poig, and requires two operable inntrunent channela per trip system. The nyate:n vould have operated, if required, due to the one out of two logic employed. The reactor who operating at a power level of approximately 65% at the time of this occurrence.
The switch van irnediately recet, functionally tested, and verified to be operable within the tolerance npecified.
This renedial action van completed in a tino span which precluded the neceouity of further action.
Very truly youro, VERP.'T Y N
'E PUCLEAR POWER CORPORATION hl hl O
1 Robert F.
nes Plant Superintendent
),
7[
HFL/rph t-m <'
I
(
-