ML20038B497

LER 81-008/01X-1:on 810316,ultrasonic Testing Revealed Indication on Southeast Reactor Feedwater Nozzle Inside Bore.Caused by Inadequate Investigation.Dye Penetrant & Surface Exam Revealed Indication Nonreportable

ML20038B497
Person / Time
Site:	Nine Mile Point
Issue date:	11/25/1981
From:	Mclaughlin K NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20038B487	List: ML20038B486 ML20038B497
References
LER-81-008-01X, LER-81-8-1X, NUDOCS 8112080340
Download: ML20038B497 (1)

Text

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EVENT DESCRIPTIC4N AND PROB ABLE CONSEQUENCES h l O l 2 ] I During refueli.'q, while performing the In-Service Inspection Non-Destructive Examinatied lTf51 l (NDE), Ultrasonic Testing (UT) revealed what was thought to be a reportable indication l l O 14 l l on the Southeast Reactor Feedwater no::le (N4B) inside diameter of the " Bore". This l l 0 l s i l was originally reported in LER 81-08. A dye penetrant examination and further surface 1 l 0 l6 l l testing revealed a reflection which is geometric in nature, a nenative indication. I l 0 l 7 l l Therefore, the original conclusion that this was reportable was incorrect. I I

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