ML20084A012

RO 76-08:on 760227,39 Steam Generator Tubes Explosively Plugged in Steam Generator a & 2 in Steam Generator B.Tubes Exhibited Tube Wall Deterioration in Excess of 40%

ML20084A012
Person / Time
Site:	Ginna
Issue date:	02/23/1976
From:	Platt C ROCHESTER GAS & ELECTRIC CORP.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20084A001	List: ML20084A012
References
RO-76-08, RO-76-8, NUDOCS 8304050067
Download: ML20084A012 (1)

Text

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ROCl! ESTER GAS AND ELECTRIC CORPORATION e 69 EAST AVENUE, ROCHESTER, N.Y.14649 WP .

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Mr. James P. O'Reilly U. S. Nuclear Resulttery Cec: mission Directorate of Rec.tlatory Operations Region 1 631 Park Avenue King of Prussin, Pennsylvanin 19406

Subject:

Reportable Occurrence d76-03: Abnorssi Degradation of Steam Generator Tubcs .

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Dear Mr. C'Heilly:

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This is to confir= ny phone ec11 to Mr. John Hannon, en Febr.:ary 27, 1976, to I:

report Abnormal Occurrence t'T6-OS at Ginna Station. _ ,

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Aand progren "S" of planned ecdy current examination vas conducted on both lo:p "A" ff i ctcar goncretors et the Ginna Station fras February 15th to Februtry i; 27,1916, 6 tring the present refueling turbine rentenance outage. This j!

progran specified extainations at LO3 KEZ to detcet and =casure potential I; tube defects and at 25 DIZ to provide a profile of sludge deposits.  !,

s il performed.

A 100 percent inspection of both steam generators (hot and cold less) van

! the "A" stcan ntean cencrt. 6enerator.As tor and 2 in a the result "B" of this effort, 39 tubes Thesewere tubes explosively had plu j

I l cxhibited tube vall deterioration in ereess of 40 percent.

Very truly yours,

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Cleles E. Platt Superintendent CEP:dg -

i cc: Mr. G. J. Svarthout, RGLE Corp. '

I Mr. L. D. k'hite. Jr., RGLE Corp. ' -

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