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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, LICENSEE EVENT REPORT (LER) 8 "" 8 8 * **
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"'" Vital Area Intrusion Alarm Failure 1 i
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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
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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
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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: __
f /y , d m [g, g ,g g d % ,,
Inspector s action V.
No. of Previous or Causally linked Events within the Past 3 Years: __
/
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
~
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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