ML19345G177
| ML19345G177 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 12/28/1973 |
| From: | Hartley F CONNECTICUT YANKEE ATOMIC POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| AO-73-13, CYH-2545, NUDOCS 8103100208 | |
| Download: ML19345G177 (1) | |
Text
ReguMori
~yet ble.
D CONNECTICUT YANKEE ATO rvilC POWER C O iv'i P A N Y Ls'7
. ~7 HADDAM NECK PLANT
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RR 41. BOX 127E. EAST H AMPTON, CONN. c6424
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December 28, 1973 CYH-2545 50-813 Mr. James P. O'Reilly, Director Region 1 Directorate of Regulatory Operations U. S. Atomic Energy Commission 631 Park Avenue
._. King.of Prussia, Pennsylvania 19406 - -. _
Dear Mr. O'Reilly,
As defined by Technical Specifications for Connecticut Yankee Atomic Power Station Section 5.3 the following information involving an unsatisfactory test of one of four main steam isolation valves
___ __ _.___ __._ _is feported as. Abnormal Occurrence 73-13.
- - - ~
In accordance with Section 4~.9 of the CY Technical Specifications'
~~
the main steam isolation valves are tested each week for movement of the valve disc through a distance of approximately one and one-half inches. Upon actuation of the test switch for the #2 main steam isolation valve, no valve movement was noted. The valve operated *
--_ _--- -__- --..normally when the. test -switch was actuated the third time. The other three main stean isolation valves were tested satisfactorily. The packing gland on the #2 main steam isolation valve was subsequently readjusted followed by a successful test of the valve. All four main steam isolation valves will be repacked and retested during the forth coming weekend shutdown. A follow up report will be submitted in ter days.
Very truly yours,
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Q,
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artley j
PlantSuperintpnd'ent cc L, Washington, D.C.
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