05000306/LER-1980-003, Supplementary LER 80-003/01X-2:on 800109,during Eddy Current Testing of Tubes in Unit 2 Steam Generators,Several Indications of Tube Degradation Were Observed.Cause Unstated.Several Tubes Plugged & One Removed for Exam

Supplementary LER 80-003/01X-2:on 800109,during Eddy Current Testing of Tubes in Unit 2 Steam Generators,Several Indications of Tube Degradation Were Observed.Cause Unstated.Several Tubes Plugged & One Removed for Exam

ML19323G172
Person / Time
Site:	Prairie Island
Issue date:	05/23/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19323G170	List: ML19323G175 ML19323G177 ML19323G178
References
LER-80-003-01X, LER-80-3-1X, TAC-12657, NUDOCS 8005300496
Download: ML19323G172 (1)

LER-1980-003, Supplementary LER 80-003/01X-2:on 800109,during Eddy Current Testing of Tubes in Unit 2 Steam Generators,Several Indications of Tube Degradation Were Observed.Cause Unstated.Several Tubes Plugged & One Removed for Exam

Event date:
Report date:
3061980003R00 - NRC Website

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GC 61 DOCKET NUM8 ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h firTTI I During eddy current testing of tubes in Unit 2 steam generators, several indications l lo lal l f tube degradation were seen.

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[ o l i-] l Revision 2 provides supplementary data requested by the NRC staff.

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40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l Several tubes were plugged and one tube was removed for further examination. Reports; c:

l nondestructive and metallographic examination of the removed tube and chemistry l

surveillance are enclosed as Attachments A, B and C, respectively. Other corrective ;

actions are detailed in Revision 1 to this LER.

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