ML20012A449

Advises That 16 Tubes in All Four Steam Generators Removed from Svc as Result of Eddy Current Insp During Cycle 3 Refueling Outage.Tube Plugging Distribution Between Steam Generators Listed

ML20012A449
Person / Time
Site:	Byron
Issue date:	02/16/1990
From:	Pleniewicz R COMMONWEALTH EDISON CO.
To:	Davis A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
BYRON-90-0191, BYRON-90-191, NUDOCS 9003120041
Download: ML20012A449 (1)

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_rebruary-16, 1990

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c LTH:' BYRON 90-0191 - lii p -

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Mr.'A'. Bert Davis' E~ Region III Regional Administrator-United-States-Nuclear Regulatory Commission

' Office of Inspection and Enforcement 4

-799 Roosevelt Road ,';

Glen Ellyn, I111nois 60137 1

SUBJECT:

' Byron Unit 1 Steam Generator Tube Plugging Notification

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Dear'Mr. Davist 4

y. This lotter is to inform the Commission of steam' generator tubes removed from.  ;

,- service ~as a result of eddy current inspections during the Unit 1, Cycle 3

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refueling outage.--This information is reported pursuant to Facility Operating-p License NPF-37, Appendix A, Technical Specification 3/4.4.5.5.a.

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LA total of. sixteen (16) tubes in all four. steam generators were: removed from service during thisfoutage. -Tube plugging-distribution between the steam t i

generators is summarized.in the following tablet- ,

Stieam Tubes. Plugged . Tubes Plugge'd Total Tubes <

Generator This Outagg_, Previously Plugged 1A- 5 39- 44 IB' -2 16 18 11CJ 6 9 15 1D '3 11 14

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. TOTAL 16 75 91-If there are any questions on this topic, please contact Mr.' Jay Smith at-

-(815)234-5441, extension 2847.

' Sincerely, N. c r.

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'R. Pleniewicz 3

Station Manager j '

Byron' Nuclear Power Station a

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