View source for 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

{{Adams
| number = ML20238E732
| issue date = 04/15/1986
| title = Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily
| author name = Kelley J, Weekley P
| author affiliation = NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
| addressee name = Starostecki R
| addressee affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION I)
| docket = 05000000, 05000245
| license number = 
| contact person = 
| case reference number = FOIA-87-410
| document report number = LER-86-011-02, LER-86-11-2, MP-8948, NUDOCS 8709150166
| package number = ML20238E403
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 5
}}
{{LER
| Title = Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily
| Plant = 
| Reporting criterion = 
| Power level = 
| Mode = 
| Docket = 05000000
| LER year = 2086
| LER number = 11
| LER revision = 
| Event date = 
| Report date = 
| ENS = 
| abstract = 
}}

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      .                                                                                   ....                     .~.., u.,              ,  u, . n     .   ,n     , o e, A                           roximately 1125 hours 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 hours.
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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egaa   SE0ve nt a6 i    ,etvec=
Hillstone Nuclear Power Station "I
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0l 0    0l 2  0F 0l2 Identification of Occurrences 1
At a roximately 1125 hours 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
e                                                                                                                                   ,
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
                        *((.$ $I.N,fl((l[7"""
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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