ML20084U427

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Telecopy AO BFAO-731T:on 730628,rod Permissive Light Remained Lit When Loaded Fuel Grapple Moved Over Reactor Pressure Vessel.Caused by Limit Switch Adjustment on Refueling Platform.Switch Readjusted & Functionally Tested
ML20084U427
Person / Time
Site: Browns Ferry  Tennessee Valley Authority icon.png
Issue date: 06/29/1973
From: Green H
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20084U373 List:
References
AO-BFAO-731T, BFAO-731T, NUDOCS 8306290036
Download: ML20084U427 (3)


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G31 CHATTAN0OGA TN 6/29/75 PMS U.S. ATOMIC ENERGY COMMISSION

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REGION II DIRECTORATE OF REGULATORY OPERATION l

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AT APPR0XIf1ATELY 10:25 A.M. CST ON JUNE 28, 1975, THE CONTROL ROOM l

OPERATOR OBSERVED THAT THE ROD PERMISSIVE LIGHT REMAINED LIT O

i WEN THE LOADED FUEL GRAPPLE VAS MOVED OVER THE RPV.

FUEL LDADING WAS SUSPENDED AND THE TROUBLE WAS TRACED TO A L! NIT O'

SJITCH ADJUSTMENT ON THE REFUELING PLATFORM.

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THE LIMIT SWITCH IS TO PRO)lIBIT CONTROL ROD WITHDRAWAL WHEN 1HE LOADED REFUELING PLATFORM IS OVER THE CORE.

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IMS DEEN READJUSTED AND FUNCTIONALLY TESTED.

REG. II INSPECTOR ON SITE ADVISED.

FUEL LOADING RESUMED.

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JUL 3 1973 Telegram from Tennessee Vall'cy Authority, H. J. Green,

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dated June 29, 1973 50-259 i

DISTRIBUTION:

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Directorate of Licensing (13)

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