ML20009F909

LER 81-011/01T-0:on 810715,during Visual Exam of Reactor Vessel Internal Components,Thermal Shield Bolts & Guide Block Discovered Missing.Cause Not Determined.Program Defined to Determine Cause & Effect Repairs

ML20009F909
Person / Time
Site:	Oconee
Issue date:	07/23/1981
From:	Gill R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009F905	List: ML20009F904 ML20009F909
References
LER-81-011-01T, LER-81-11-1T, NUDOCS 8108030156
Download: ML20009F909 (1)

Text

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MAC POAne 354 U.s. NUCLEAR NEGULATORY CQhestC6086 (7 77)

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f7TT11 Durine the visual- examination of the Oconee 1 reactor vessel internal  ;

m , components, several unexpected conditions were observed. Four thermal ,

,, shield bolts were missing as was one guide block. Due to the function i,, ;gserved by the thermal shield and the m ener in which the core internals are g , structure <*. this event has no safety significance.

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li6oti The annarent cause has not been determined. A orocram has been defined I i,,,i to determine the cause and to effect repairs. ,

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i;ig;,,;,,l nAusceP*araman R. L Gill mous. (704) 373-5826 8108030156 810724 PDR ADOCK 05000 S

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