ML20215A784

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Amends Info Provided to NRC in Re Number of Tubes Removed from Svc During Unit 1 First Refueling Outage.Table Shows Cumulative Status of Tubes Taken from Steam Generator
ML20215A784
Person / Time
Site: Byron 
Issue date: 06/01/1987
From: Querio R
COMMONWEALTH EDISON CO.
To: Davis A
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
BYRON-87-0611, BYRON-87-611, NUDOCS 8706170084
Download: ML20215A784 (1)


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BYRON 87-0611 FILE:

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Mr. A. Bert Davis Region III Regional Administrator United States Nuclear Regulatory Commission Office of Inspection and Enforcement 799 Roosevelt Road Glen Ellyn, Illinois 60137

Dear Mr. Davis:

The purpose of this letter is to amend the information provided to the C.ommission; in Byron Letter 87-0455, dated April 13,1987.regarding the number of tubes removed from service during the Unit One first refueling outage. This information is being reported pursuant to Facility Operating License NPF-37, Appendix A, Technical Specification 3/4.4.5.5.a.

The following table shows the cumulative status of tubes removed from service on the Byron Unit One Steam Generators Tubes Plugged Tubes Previously Total J

S/G During First Outage Plugged Tubes Plugged A

2 9

11 B

5 6

11 C

1 4

5 D

1 0

1 i

j Total 9

19 28 In addition, the Row 28, Column 64 tube in the D steam generator is plugged from the hot leg (Inlet) side only as a result of a mishcated plug. This condition is acceptable as is based upon an engineering analys'.s perfortned by the eddy current vendor and accepted by Commonwealth Edison engineering.

If there are any questions on this matter, please contact Mr. D. Flowers, at (815) 234-5441, extension 2004.

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