ML20002A108

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Sleeved CEA Guide Tube Eddy Current Test Results
ML20002A108
Person / Time
Site: Millstone Dominion icon.png
Issue date: 05/02/1979
From:
NORTHEAST UTILITIES
To:
Shared Package
ML19289A116 List:
References
CEN-108(N)-NP, NUDOCS 7905310189
Download: ML20002A108 (6)


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CEN-108(N)-NP MILLSTONE POINT-II SLEEVED CEA GUIDE TUBE EDDY CURRENT T.EST RESULTS MAY 2,'1979 Combustion Engineering, Inc.

fluclear Power Systems Windsor, Connecticut hY 3 'cE$ / 8> cp

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.e LEGAL NOTICE p

Tills REPORT WAS PREPARED AS AN ACCOUNT OF WORK SPONSORED

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BY COMBUSTION ENGINEERING, INC. NEITHER COMDUSTION ENGINEERING NOR ANY PERSON ACTING ON ITS DEHALF:

A.

MAKES ANY WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED IfCLUDING THE WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, WITH RESPECT TO Tile ACCURACY, COMPLETENESS, OR USEFULNESS OF THE INFORMATION CONTAINED IN THIS REPORT, OR THAT THE USE OF ANY INFORMATION, APPARATUS, METHOD, OR PROCESS DISCLOSED IN THIS REPORT MAY NOT INFRINGE PRIVATELY OWNED RIGHTS;OR B. ASSUMES ANY LIABILITIES WITH RESPECT TO THE USE OF,OR FOR DAMAGES RESULTING FROM THE USE OF, ANY INFORMATION, APPARATUS, METHOD OR PROCESS DISCLOSED IN THIS REPORT.

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ATTACHMEllT 1 l

l Millstone Point-II l

Sleeved GA Guide Tube Eddy Current Test Results l

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An eddy current test of the pumose of detecting [an]y service induced wear in the sleeved fuel assemblics was perfomed at Millstone Point-II for

. guide tubes.

The inspections. were performed in accordance with CE

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Procedure No. 00000-F.SS-134 A total of[ ] guide tubes were inspected with] guide a[

probe. ] probe [ 3 assemblics) and[

an azimuthai-E [-

] indications were observed in the test results.

No The inspected region included signals indicative of an[

lof the sleeve were observed.J In some tubes, these signals occurred in the region of thc[

In cach case, 3 The [

These s]ignals were recorded in tems of signalEcxtent o of the sleeve.

Jand location.

The location is reported as the number of[

] 'Ihc test system was not calibrated to relate signal

[.

[ gnalE J of approximately[. as a bench mark, the transition re[gion

,] dimensions, however to si

]on the radius.

land a dimensional change of approximately core locations and eddy current inspection results. Table I lists the assemblics inspec A total of[

] guide tubes from assemblies 3 and[

This inspection confirmed the[ conclusion of a[)were inspe azinuthal prohc.

]in some of the sleeves.

azimuthal probe along witn the inspection results. Table II lists the guide tubes inspected wit e

Pag: 2 TABLE I Millstone Point-II Sleeved Guide Tube ET Inspection 4,

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Assembly Guide Tube Results Core Location

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TABili I j

(continued)

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Assembly Guide Tube Results Core Location pw

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Page 4 TABLE II Millstone Point-II Azimuthal Data CEA Guide Tube Sleeves Assembly Guide Tube Result l

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