ML20202C052

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Ro:On 860604,during Periodic Testing of Gaseous Activity Monitor 1EMF-39L,discovered That Monitor Would Not Isolate Containment Purge Sys on 860603.LER Will Be Submitted by 860711,pending Review of Event Investigation
ML20202C052
Person / Time
Site: McGuire Duke Energy icon.png
Issue date: 07/02/1986
From: Tucker H
DUKE POWER CO.
To:
NRC OFFICE OF ADMINISTRATION (ADM)
References
NUDOCS 8607110075
Download: ML20202C052 (2)


Text

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DUKE POWER GOMPAhT P.O. BOX 33180 CHARLOTTE, N.C. 28242 HAL B. TUCKER MuMME

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004) om83 NWJ. RAS FeopUC,3ON i

j July 2, 1986 1

i[DocumentIContEl-[DaEd U.S. Nuclear Regulatory Commission Washington, D.C.

20555

Subject:

McGuire Nuclear Station - Unit 1 Docket Nos. 50-369 Gentlemen:

On June 4, 1986, during periodic testing of gaseous activity monitor IEMF-39L, it was discovered that 1 EMF-39L would not isolate the Containment Purge system from the time both trains of the Solid State Protection System had been taken out of service on June 3 until the Containment Purge System was isolated later on the same day. Unit I was in Mode 6, refueling, at the time of this event. The Licensee Event Report for this incident will be submitted by July 11, 1986, pending completion of a review of the event investigation by Duke Power Company.

Very truly yours, c

N, Hal B. Tucker JGT/18/jgm xc:

Dr. J. Nelson Grace American Nuclear Insurers Regional Administrator, Region II c/o Dottie Sherman, ANI Library U.S. Nuclear Regulatory Commission The Exchange, Suite 245 101 Marietta St. NW, Suite 2900 270 Farmington Avenue Atlanta, Georgia 30323 Farmington, CT 06032 INPO Records Center Mr. Darl Hood Suite 1500 U.S. Nuclear Regulatory Comm.

1100 Circle 75 Parkway Office of Nuclear Reactor Reg.

Atlanta, Georgia 30339 Washington, D.C.

20555 M&M Nuclear Consultants Mr. W.T. Orders 1221 Avenue of the Americas NRC Resident Inspector New York, New York 10020 McGuire Nuclear Station 8607110075 860702 l O PDR ADOCK 05000369 S

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Document Control Desk July 2, 1986 Page 2 bxc: P.M. Abraham R.S. Bhatnager D.R. Bradshaw K.S. Canady L.M. Coggins G.A. Copp - MNS J.B. Day R.C. Futrell S.A. Gewehr R.L. Gill C.W. Graves, Jr.

G.W. Hallman C.L. Harlin T.P. Harrall 4

C.L. Hartzell A.R. Hollins T.L. McConnell J.J. McCool E.O. McCraw M.D. McIntosh T.E. Mooney P.B. Nardoci R.P. Ruth i

N.A. Rutherford A.L. Snow G.E. Vaughn R.L. Weber L.L. Williams (W)

File: MC-801.02 MC-815.04 (30)

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