ML20107D174

Forwards Preliminary AO Rept 50-219/74/3

ML20107D174
Person / Time
Site:	Oyster Creek
Issue date:	01/14/1974
From:	Carroll J JERSEY CENTRAL POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18039A986	List: IR 05000219/1970007 IR 05000219/1971001 IR 05000219/1971002 IR 05000219/1971003 IR 05000219/1971004 IR 05000219/1971005 IR 05000219/1972001 IR 05000219/1972002 IR 05000219/1972003 IR 05000219/1972004 IR 05000219/1972005 IR 05000219/1972013 IR 05000219/1972025 IR 05000219/1973003 IR 05000219/1973004 IR 05000219/1973006 IR 05000219/1973007 IR 05000219/1973008 IR 05000219/1973009 IR 05000219/1973010 IR 05000219/1973011 IR 05000219/1973012 IR 05000219/1973013 IR 05000219/1973014 IR 05000219/1973015 IR 05000219/1973016 IR 05000219/1973017 IR 05000219/1973019 IR 05000219/1973020 IR 05000219/1973021 IR 05000219/1973022 IR 05000219/1973023 IR 05000219/1974001 IR 05000219/1974002 IR 05000219/1974003 IR 05000219/1974004 IR 05000219/1974005 IR 05000219/1974006 IR 05000219/1974007 IR 05000219/1974008 IR 05000219/1974009 IR 05000219/1974010 IR 05000219/1974011 IR 05000219/1974012 IR 05000219/1974013 IR 05000219/1974014 IR 05000219/1974015 IR 05000219/1974016 IR 05000219/1974017 IR 05000219/1974018 ... further results
References
FOIA-95-258 NUDOCS 9604180157
Download: ML20107D174 (1)

Text

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.To:

James P, O'Reilly Directorate of Regulatory Operations Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 From:

Jersey Central Power 4 Light Company Oyster Creek Nuclear Generating Station Docket #50-219 Forked River, New Jersey 08731

Subject:

Abnormal Occurrence Report No. 50-219/74/ 3 The following is a preliminary report being submitted in compliance with the Technical' Spe'cifications parap.r5ph6,6,2, j

i Preliminary Approval:

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gf4gd 1/ 14 / 74 g/ J. T. Carroll, Jr.

Date ec: Mr. A. Cionhusuo N

9604190157 960213 PDR FOIA DE).OK95-258 PDR

kPPARENTCAUSE Osi n ere>>urc OP OCQ)RRENCE; Manufccture.

Unusual Service Condition i

Installation / '

Inc. Environmer*ai Construc' tion Component Failure operator Other (Specify)

The cause of snubber inoperabli'ity was due to a f oss of hydraulic fluid. 'the cause of fluid loss is presently

,un' der investigation.

ANA1,Y$l$ OF

'The safety sinnificance of this occurrence was a partial OCCURRENCE:

loss of the scismic restraining ability for the two affected systems'.

liad the plant suffered a design bases earthquake, the probability that these two systems would have suffered structural damage was increased, W RRECTIVE The failed units were replaced with units that wore rebuilt ACTION:

with ethylene propylene (Parker Grade E652-90) seal naterial.

FAILURE DATA:

Manufacturert Bery.cn Paterson Type: HSSA-10 Serial Nos.: 487517 487487 477376 470924 469D62

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Prepared by:, /f[ AL.

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Date:

1/14))4_

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Initial Telephone Date of.

Deport Date:

!i1/14/74 Occurrence:

1/13/74 Initial Written Time of

' ' Report ' Date:

1/14/74 Occurrence:

1700___

0YSTER CREEK NUCLEAR ' GENERATING STATION

' FORKED RIVER, NEW JERSEY,08751 q

Abnormal Occurrence Report No. 50-219/74/ 3 IDENTIPiCATION Vloistion of the Technical Specifications, paragraph ' N/A OF OCCURRENCE:

Failure, of flydtnulic Shock and Sway Arrestors on one Core Spray System and two isolation Condenser systems.

1his event is cohs'idered to be an abnormal occurrence as de-fined in the Technical Specifications, paragraph _1.15D CON 0tT!ONS PRIOR TO OCCURRENCE:

Steady State Power Routine Shtitdown

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Hot Standby Operation A

Cold Shutdown Load Changes During

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Refueling! Shutdown Routine Power Operation j

Routine Startup Other (Specify) operation l

The plant was shutdown with reactor-coolant at '.212 F.

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J DESCRIPTI(N During the required inspection of.the Bergen Paterson RSSA-10 OF OCCURRENCE:

units in the primary containment, fivo units were discovered to be dcyoid of fluid. They were located v. follows:

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• 1 3. "A" 1.$olntion condenser 1

"B" Isolation Condensor 1 - Core Spray System #2

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