ML19326B341

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AO 50-313/74-03:on 740706,reactor Bldg Control Purge Isolation Valve CV-7402 Failed in mid-position.Cause Appears to Be Binding in Operator.Valve Operators Will Be Disassembled,Inspected & Repaired as Required
ML19326B341
Person / Time
Site: Arkansas Nuclear 
Issue date: 07/08/1974
From: Phillips J
ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML19326B336 List:
References
NUDOCS 8004150720
Download: ML19326B341 (1)


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UNITED STATES ATOMIC ENERGY COMMISSION ATT MR NORMAN C MOSELEY DIRECTOR OF REGULATORY OPERATIONS I

LEGI0ff II 230 PEACHTREE ST NW SUITE 818 ATLANTA GA 30303

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l SUBJECT ARKANSAS POWER AND LIGHT COMPANY: ARKANSAS NUCLEAD ONE-trNIT 1 OPERATING LICENSE CPR-51 ABNORMAL CURRENT REP 00T #50-313/74-3 ON JULY 6TH 19 74 AT 2020 HOURS DURING NORMAL SURVEILLANCE TEST STROKING OF REACTOR BUILDING CO NTROL PUoGE ISOLATION VALVES D

PER OPERATING PROCEDURES 130470, CV-7402 FAILED IN THE MID POSITION.

y THE PROBLEM APPEARS.TO BE BIN 9ING IN THE OPERAT00, N0 9FETY"

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VALVE CV-7401 IS OPERABLE AND IT IS IN THE CLOSED POSITION,.

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AtlD THE PLANT IS IN A COLD SHUT D09N CONDITION PRIOR TO INITIAL CR ITI CA LITY. THE VALVE OPERATORS UILL BE DIASSEMSLED, INSPECTED I

AND REPAIRED AS REQUIRED J D PHILLIPS SENIOR VICE PRESIDENT NNNN D

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