ML18142B232

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R. E. Ginna - Letter Forwarding Reportable Occurrence 77-03, Abnormal Degradation of Steam Generator Tubes
ML18142B232
Person / Time
Site: Ginna Constellation icon.png
Issue date: 05/16/1977
From: White L
Rochester Gas & Electric Corp
To: O'Reilly J
NRC/IE, NRC Region 1
References
LER 1977-003-00
Download: ML18142B232 (2)


Text

1 NRC FORM 195 UN. NUCLEAR REGULATORY Co I2.78)

NRC DISTRIBUTION FoR. PART 50 DOCKET MATERIAL.

ION DOCKET NUMBER

'FILE NUMBER INCIDENT REPORT'r.

James P. O'Reilly FROM:

RGGE Rochester, N; Y.

14649 D. White Jr, DATE OF DOCUMENT ~

'5-16-77

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DO NOT REMOV'Ii, ENCl OSURE Licensee Event Report (RO-50-244/77-0 on 05-02-77 concerning 13 tubes in the "A".

SG and 1 "tube in the "A SG showed defects abov the wastage criteria of 4'ue to, localized corrosion of tubes caused by concentrations of residual phosphates....W/attached Steam Gen.

Inspection Final Report iiIay 11, 1977."...

PLANT NAME:.

J Clll I

1 page R. E.

'GZNNA UNIT NO.

1 ll pages NOTE:

IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J COLLINS BRANCH CHIEF:

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NRC FORM 19d {2.76)

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o 89 EAST AYEMUE, ROCHESTER, M.Y. 14649 I EON O. WHITE. JR.

VICC PIIC5IOCIIT ZCI.Es uouC ARCA COOC ll6 546 2700 May 16, 1977 8'egUiga[y DDckBt RIP Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region I 631 Park Avenue King of Prussia, Pennsylvania 19406

Subject:

Reportable Occurrence 77.-03 (14-day report), Abnormal degradation of steam generator tubes R. E. Ginna Nuclear Power Plant, Unit No.

1 Docket No. 50-244

Dear Mr. O'Reilly:

In accordance with Technical Specifications, Article 6.9.2a, the attached report of Reportable Occurrence 77-03, 14-day, is hereby submitted.

Two additional copies of this letter and the attachment are enclosed.

Very truly yours, L. D. White, Jr.

Attachment cc:

Dr. Ernst Volgenau (40)

Mr. William G. McDonald (3)