ML20099L165

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Forwards Util Stating That Tech Spec Eddy Current Insp of Steam Generator Tubes Indicates Potential Defects in Tubes & Tubes Require Addl Insp & Evaluation.Svc List Encl. Related Correspondence
ML20099L165
Person / Time
Site: Crane 
Issue date: 11/27/1984
From: Churchill B
GENERAL PUBLIC UTILITIES CORP., SHAW, PITTMAN, POTTS & TROWBRIDGE
To: Edles G, Gotchy R, Johnson W
NRC ATOMIC SAFETY & LICENSING APPEAL PANEL (ASLAP)
References
CON-#484-346 OLA, NUDOCS 8412010031
Download: ML20099L165 (4)


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(202) 822-1051 Gary J. Edles Dr. W. Reed Johnson Administrative Judge Administrative Judge Chairman, Atomic Safety and Atomic Safety and Licensing Licensing Appeal Board Appeal Board U.S. Nuclear Regulatory Commission U.S. Nuclear Regulatory Commission Washington, D.C.

20555 Washington, D.C.

20555 Dr. Reginald L. Gotchy Administrative Judge Atomic Safety and Licensing Appeal Board U.S. Nuclear Regulatory Commission Washington, D.C.

20555 In the Matter of Metropolitan Edison Company, Et A1.

(Three Mile Island Nuclear Station, Unit No. 1)

Docket No. 50-289 OLA

Dear Administative Judges:

Enclosed for the Appeal Board's information is a letter dated November 27, 1984, from Applicant describing preliminary results of ongoing eddy current testing of the steam generator ubes at Three Mile Island, Unit 1.

Sincerely yours, 84120100f o

/.b:m fj) Y ~- A)Y PDR ADOc PDR

- - -g Q

Bruce W. Churchill Enclosure cc:

Service List attached c

t a

GPU Nuoiser Capwouen g

f 100 Interpace Parkway Persippany.New Jersey 070541149 (201)263-6500 TELEX 136-482 Writer's Ostect Dial Nurnber:

November 27, 1984 Shaw, Pittman, Potts & Trowbridge Attn:

B. W. Churchill 1800 M. Street, NW Washington, DC 20555

Dear Mr. Churchill:

GPU Nuclear Corporation is currently performing the normal Technical Specification periodic eddy current inspection of the TMI-1 steam generator tubes. Results from the initial 3% sample which are now available identify indications of potential defects in some tubes.

Characterization of these indications requires additional inspection and evaluation.

Most of the indications are in the "A" steam generator. They are predominantly low voltage 10 signals of small circumferential extent.

Most indications are in the range of 40-60% through-wall, and are located high in the steam generator, in peripheral tubes.

Identification of these indications is prompt reportable to the NRC staff based on Technical Specification 4.19. A telephone report was made to the resident inspector late on Friday, November 16. A written folluw-up is required by December 17.

We will keep you informed of the results of the ongoing inspections and evaluations.

cere1y,

\\

Y NL__

. F. W1 son Vice President Technical Functions dis:0869f GPU Nt.e aar Corporaten is a subs diary of General Puthe ut.hties Corporst.ori t

n

UNITED. STATES OF AMERICA-NUCLEAR REGULATORY COMMISSION Before the Atomic Safety and Licensing Appeal Board In the Matter of

)

)

MSTROPOLITAN EDISON COMPANY, ET AL.

)

Docket No. 50-289 OLA

)

(Three Mile Island Nuclear Station,

)

Unit No. 1)

)

SERVICE LIST Gary J. Edles Dr. James C. Lamb, III Administrative Judge Administrative Judge Chairman, Atomic Safety and Atomic Safety and Licensing Licensing Appeal Board Board U.S. Nuclear Regulatory 313 Woodhaven Road Commission Chapel Hill, N.C.

27514 Washington, D.C.

20555 Mary E. Wagner, Esq.

Dr. W. Reed Johnson Office of Executive Legal Director Administrative Judge U.S. Nuclear Regulatory Atomic Safety and Licensing Commission Appeal Board Washington, D.C.

20555 U.S. Nuclear Regulatory Commission Atomic Safety and Licensing Washington, D.C.

20555 Appeal Board Panel U.S. Nuclear Regulatory Dr. Reginald L. Gotchy Commission Administrative Judge Washington, D.C.

20555 Atomic Safety and Licensing Appeal Board U.S. Nuclear Regulatory Atomic Safety and Licensing Board Panel Commission U.S. Nuclear Regulatory Washington, D.C.

20555 Commission Washington, D.C.

20555 Administrative Judge Chairman, Atomic Safety and Docketing and Service Section (3)

Licensing Board Office of the Secretary U.S. Nuclear Regulatory U.S. Nuclear Regulatory Commission Commission Washington, D.C.

20555 Washington, D.C.

20555 Dr. David L. Hetrick Joanne Doroshow, Esq.

Louise Bradford Administrative Judge Atomic Safety and Licensing Board Three Mile Island Alert, Inc.

315 Peffer Street College of Engineering Dept. of Nuclear and Energy Engr.

Harrisburg, PA 17102 The University of Arizona Tucson, Arizona 85721

E 4.

ASLAB SGrvica List Page Two TMI-l Thomas Y. Au Assistant Counsel Commonwealth of Pennsylvania Department of Environmental Resources Bureau of Regulatory Counsel Room 505 Executive House P. O. Box 2357 Harrisburg, PA 17120 k

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