TXX-4880, Interim Potential Deficiency Rept CP-86-30 Re Class 1E Inverters Supplied by Elgar Corp of San Diego.Initially Reported on 860418.Evaluation Continuing.Next Rept Expected by 860815

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Interim Potential Deficiency Rept CP-86-30 Re Class 1E Inverters Supplied by Elgar Corp of San Diego.Initially Reported on 860418.Evaluation Continuing.Next Rept Expected by 860815
ML20206R505
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 06/27/1986
From: Counsil W
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To: Johnson E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
CP-86-30, TXX-4880, NUDOCS 8607070165
Download: ML20206R505 (1)


Text

Log # TXX-4880

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File # 10110 908.3 TEXAS UTILITIES GENERATING COMPANY June 27, 1986

.'"AT5 AMEN'A Mr. Eric H. Johnson, Director y g jggg j l Division of Reactor Safety and Projects l U. S. Nuclear Regulatory Commission ~

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611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76012

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NOS. 50-445 AND 50-446 i

UPS INVERTERS SDAR: CP-86-30 (INTERIM REPORT) 1 l l

Dear Mr. Johnson:

l On April 18, 1986, we verbally notified your Mr. R. Hall of a deficiency ,

involving anomalies observed in Class 1E inverters supplied by Elgar l l Corporation of San Diego. This is an interim report of a potentially reportable item under the provisions of 10CFR50.55(e). We have submitted an interim report logged TXX-4812, dated May 19, 1986.

l We are continuing our evaluation and anticipate submitting our next report by August 15, 1986.

l Very truly yours,  ;

l W

W. G. Counsil JCH/arh l

c - NRC Region IV (0 + 1 Copy)

Director, Inspection & Enforcement (15 copies)

U. S. Nuclear Regulatory Commission Washington, D.C. 20555 1

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860707o165 860627 PDR ADOCK 05000445 ,,

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_r# .? 7 A DIVISION OF TEXAS UTILETIES ELECTRIC CDMPANY