ML20041D658

LER 82-003/01T-0:on 820202,video Insp of Fuel Assemblies Revealed Broken Holddown Springs on Batch 7 Fuel Assemblies 01K3,01JV & 01KX.Caused by fatigue-induced Cracking at Surface Flaw.Springs Will Be Replaced Before Reload

ML20041D658
Person / Time
Site:	Oconee
Issue date:	02/16/1982
From:	Kutzer J DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20041D657	List: ML20041D656 ML20041D658
References
LER-82-003-01T, LER-82-3-1T, NUDOCS 8203080559
Download: ML20041D658 (1)

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EVENT CEscalmON Ang pacgaggg ccpaggoygNcg3 @

M l on February 2. 1982. video instiection of fuel assemblies found broken hold- [

QownspringsonOconee2, Batch 7fuelassemblies#01K3,#0lJC,and#01KX, ,

g ,and Oconee 1. Batch 4 fuel assembly #00GO. Analysis of potential loss of a s lholddown force, loose parts, or interference with CRA movement indicatesthag m , operation with broken holddown springs does not affect the health and safety (

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cavsa cescaimes Ano ccantenvs acness 6fS g , ,, j g The apparent cause of the spriTig f ailures is f atigue-induced cracking at en E 1 existing surface flaw which then propagated by fatigue. The holddown springs,

, , g on Oconee 2, Batch 7 assemblies will be replaced before reload, and the m l holddown spring inspection program will be continued until insp'. tion resultp Lu ,j l 4,ic e < rv nn,44ne rho nrneram.  ;

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