ML18142B230

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R. E. Ginna - Letter Forwarding Supplemental Report on Reportable Occurrence 76-07, Relays for Train a Containment Isolation and Containment Ventilation Isolation Failure to Latch
ML18142B230
Person / Time
Site: Ginna 
Issue date: 05/25/1977
From: White L
Rochester Gas & Electric Corp
To: O'Reilly J
NRC/IE, NRC Region 1
References
Download: ML18142B230 (4)


Text

NRC FORM 1~5 IZ.7S I

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54C DISTRIBUTION F'R, Pg RT 50 DO U.B, NUCLEAR REGUI.ATORY COMMISSION CKET MATERIAL OOCKETQUM+R+

FILE NUMBER INCIDENT REPORT TO e

Mr James P ~ O'Reilly F

FROM:

Rochester Gas

& Elec Corp

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Rochester, New York LE D. White, Jro DATE OF DOCUMENT'"

5/25/77 DATE RECEIVED 5/30/77 ETTER CIORIGINAL PPOP Y ONOTORIZED

)+INCLASS IF I E D PROP INPUT FORM NUMBER OF COPIES RECEIVED

-j cC DESCRIPTION 1 'o

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~>C<NO1/I7L@DG@g ENCLOSU RE r

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Licensee. Event Report,(RO 50-244/76-07) on 2/7/76,(Update Report) concerning relays for Train "A" containment isola'tion & coqtainment ventilation isolation'ailure to latch

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~PLANT NAME:

Roi'Eo Cinna Unit No.

1 I'JL (i-P)

(2-'P)

P NOTE:

IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J, COLLINS

" BRANCH CHIEF:

W 3 CYS FOR ACTION LICo ASSTo W

CY ACRS CYS S NT

- FOR ACTION/INFO RMATION EG FIL R~DR

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MIPC SCHROEDER/IPPOLITO HOUSTON NOVAK/CHECK GRIMES INTERNALD ISTR I BUTION BUTLER HANAUER TEDESCO/MACCARY EISENHUT BAER SHAO VOLLEYER/BUNCH KREGER/J ~ COLLINS LPDR:

TIC:

XTERNALDISTRIBUTION CONTRO NUMBER NRC FORM 105 {2 76)

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'OCIIESTER GAS AHD ELECTRIC CORPO'RATIOH o

~ NI OAIO<<'v IOha IIhIC 89 EAST AVEHUC, ROCHESTER, H.Y. 14649 LEON D, WHITE, JR.

VICE PRESIOSNT May 25, 1977 TfLLPHONE hAth cott Tls 546?700 l%gulafpfg DppI,pf FIIp Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region I 631 Park Avenue Y~ing of Prussia, Pennsylvania 19406

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~q9'ubject:

Supplemental report on Reportable Occurrence 76-07, Relays for Train "A" containment isolation and containment ventilation isolation failure to latch R.

E ~ Qinna Nuclear Power Plant, Unit No.

1 Docket No. 50-244

Dear Mr. O'Reilly:

In a supplemental. report dated May 12, 1976 on the subject Licensee Event Report it was stated that the MQ-6 relays in,safeguard racks would be rechecked for clearance no later than the next regular refueling to detect any drift.

The attached update report LER 76-07/30 provides the results of this investigation.

Two additional copies of this letter and the atta'chment are enclosed to conform to the original submittal of LER 76-07/3L.

Very truly yours, L. D. Whi e, Jr.

Attachment cc:

Dr. Ernst Volgenau (30)

Mr. William Q. McDonald (3) 771520P04

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