05000000/LER-1986-011, Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily

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Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily
ML20238E732
Person / Time
Site: Millstone, 05000000
Issue date: 04/15/1986
From: Kelley J, Weekley P
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To: Starostecki R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20238E403 List:
References
FOIA-87-410 LER-86-011-02, LER-86-11-2, MP-8948, NUDOCS 8709150166
Download: ML20238E732 (5)
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LER-2086-011, Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily
Event date:
Report date:
0002086011R00 - NRC Website
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Ea*Is'"'"'**#'** l ao ass.nin.i no n.iun i en runen.i LICEN488 CONTACT Pon TMit LER fial j NAug itLtrwohg Nuustsi Patricia L. Weekley, Security Supervisor i

ami Cooi I 21013 41414i H 413l2 6 i CouPLits oms LINE F.A G ACM CouPoNINT FalLv88 pleCAisto 14 rMi$ A8 PORT n3l

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. .... .~.., u., , u, . n . ,n , o e, A roximately 1125 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.280625e-4 months <br /> on 4/10/8 --

ailed to alarm when being checked for alarm surveillance. The  !

vita area door was locked. This door is a  !

alarm only door. The door was left <ipe l the alarm was received at approximately 1135 hours0.0131 days <br />0.315 hours <br />0.00188 weeks <br />4.318675e-4 months <br />.

or compensation until repairs were completed and alarm receive .

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8709150166 870910 PDR FOIA WILLIAM 87-410 PDR mac Form Me ft 03 l

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**' W3 %sCLE AR RE0VLATORY COMMtS&som LICENSEE EVENT REPORT (LER) TEXT CONTINUATION . aovio eMe ,o asso-oio.

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Hillstone Nuclear Power Station "I

rexs w - a-. . =;=:. . .=- vc w mann o l5 l0 l 0 l o l2 l 415 8l 6 -

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0l 0 0l 2 0F 0l2 Identification of Occurrences 1

At a roximately 1125 hours0.013 days <br />0.313 hours <br />0.00186 weeks <br />4.280625e-4 months <br /> on 4 0 86 vital are Effects Loss of alarm surveillance to a single vital area door.

Description of Compensatory Measures l

I Designation of Apparent Causes The failure was apparently due to a '

.By the time Security 16C tec n c ans arr ve o c ec ce ,

door c a alarmed. Further tests were conducted and the door alarmed l properly each time. '

Corrective Action  ;

The nd the door tested satisfactorily, l

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1 i

l REGION 1

_ Security Event Re> ort Jn-Office Review r orm Iref. IP 90712)

1. Notification: pa te Tim Proept (phone) 5a :<a doesnJsuenAsd&f &f g,y Written

//-/3'#6 Received in RI 8'-N-[h .

II. Adequacy of Report:

To assess event _

To assess cause Inspector's action III. Corrective Action:

Cornpleted Cd Planned Adequate k-red- '

V Inspector's action IV. _ Generic Applicability: __

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Inspector s action V.

No. of Previous or Causally linked Events within the Past 3 Years: __

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I ector's action k W / Y/ d d u $u s VI.

Adequate _

I Inspector's action 6

Vll. Inspector'sRecormendation(s):

l Notify other NRC Office b Reason -

Vill.

Licensee Report in Tracking System: h-IX. In-Dffice Review:

Date completed _S- 7-(d Inspector h,/ #4N/1 j:- r Documented in IR No.

X.

/b Review time recorded on Fonn 766 (IP 90712) _

On-Site Followup:

Date (approx) planned Date completed

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IR No.

Review time recorded on Fonn 766 (IP 92700) _

Findings (surmarize) i XI. _ Inspector's Comnents:

_M d Maup [,//M#purd f

Y bw X11. Reviewed By: _

Date: _

Cocnents: __ -

1 NORTHEAST UTILITIES * " ' ' ' ' "'"" S*'a.n sunt. Bernn. Conn.cowt i , ccweeu .u o .-ia c"'*'

P.O. BOX 270

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HARTFORD. CONNECTICUT 06141-0270 4 J m,www (203) 666-6911 k ' .s, s,e.n u%a m . ... c-- cy.

April 15, 1986 MP-8948 Docket No. 50-245 l Docket No. 50-336 Docket No. 50-423 l

l i Mr. Richard W. Starostecki, Director l Division of Project and Resident Programs l NRC Region I i U.S. Nuclear Regulatory Commission j 631 Park Avenue i King of Prussia, Pennsylvania 19406 l

Dear Mr. Starostecki:

I This letter forwards a report of a security related event pursuant to the requirements of 10CFR part 73, paragraph 73.71(c).

Very truly ycurs,  ;

NORTHEAST NUCLEAR ENERGY COMPANY FOR: Wayne D. Romberg Station Superintendent BY: ,ames cou % y

. Kelley Station Services Superintendent Millstone Nuclear Power Station WDR/PLW:mo

Attachment:

Report of Security Event 86-011-00 cc: Director of Inspection and Enforcement U.S. Nuclear Regulatory Commission, Washington, D.C. 20555 l'

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