ML20086D590
| ML20086D590 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 12/28/1972 |
| From: | Rosalyn Jones VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086D587 | List: |
| References | |
| AO-72-16, VYV-2389, NUDOCS 8312020411 | |
| Download: ML20086D590 (1) | |
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VERhiONT YANEEE NUOLR ATE OWER COnFORA ON SEVENTY SEVEN OROVE STMEET
- r RuTtAw, VrmMont osvot vrv-2389 P. O. DOX 157 vsrmon. vermont CO354 1
December 28, 1972 a
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United Sectes Atomic Energy Cor=ission Directorate of Engulatory Operations Region I 970 Broad Strcot i
Ecvark..Hcv Jorney 07102 raram.WCEt Operating Licenso I2R-28 Dochot 1:o. 50-271 Abnormal occurrenco Ho. A0-72 g i
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Centic= cat l
As defined by Technical Spacifications for the Vor=ont Ycnhco Mucicar l'over Gtction, Coction 6.7. A.c, vs are reporting the folicwing
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Abnormal occurrence as 40-72-19 and confiratng our toicphone conversation I
with your tir. Carlson.
j At 1738 on Decc bar 27, 1972, with the picnt. operating et appronicately
^j 637. power, the Startup Trcnofor:sr failed resulting in a loss of.norcsi l
power (12 P). This I2;? resulted in excceding a liciting conditi.m of
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operation cs defined in Section 3.9. A.4.a of Technical Specificattuno.
1 The IEP caused a reactor acrca.fo11 cued by a main oteam lina isolation.
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4, Within 10 occonds of the incident both diccol 'ccacratora vero cupplying their
{l respectivo busses. Following tha incident a picat cooldcun "insido the usin-7 stenn inointion valves" uca conducted, with no oignificant trenaients. The j
incident to under invcatigation and review cad va vill provida details at.
y the cc=piction of this review.
P h i A replacecent neartup transfortar has been procured and will be installed in the near future.
Very truly yours, PM CMMM 8312020411 730905 K '
1 gDRADOCK 05000271
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PDR Eobart F. J cs Picnt Superintendent.
l PET /kbd
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