View source for 05000000/LER-1986-030, Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted

{{Adams
| number = ML20238E927
| issue date = 12/16/1986
| title = Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted
| author name = Scace S, 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-86-030-01, LER-86-30-1, MP-9841, NUDOCS 8709150295
| package number = ML20238E403
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 3
}}
{{LER
| Title = Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted
| Plant = 
| Reporting criterion = 
| Power level = 
| Mode = 
| Docket = 05000000
| LER year = 2086
| LER number = 30
| LER revision = 
| Event date = 
| Report date = 
| ENS = 
| abstract = 
}}

=text=
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.    .uf R iC, io , . n .ac -., . . .              .-, ., ,* ,-. u ,, ,, ,,, ,,~., n e i At approximately 0945 hours on 12/11/86 an unauthorized opening into the                                                                                                        ;
protected area was discovere                                               ,        *     -e                         roximately 1130 hours Tuesday 12/8/86 wh                                                                                                                                        -
left                                  r opening of approximately 576 square inches at the bottom of a                                                                           j Thir            nin           eads into a trench that extends from the                                                           j The length of the trench is a roximate y twenty (20                                 eet.            e trench is covered with
                                                               , The openin                                                    f the trench is approx ma                              ve (12) fee                                                                 Th                                                           l
  ,                                                                                                                                                                                               )
i The Ma ntenance Department covered the openin as then remove .
i 8709150295 870910 PDR           FOIA
   ,  WILLIAMB7-410 PDR
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                                               .,                                                 V $ NUCLE AR RIOULATORY COMMISS604 LICENSEE EVENT REPORT (LER) TEXT CONTINUATION                              Anemovio owe =0 lim oio.
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l Identification of Occurrence At 0945 hours on 12/11/86 an unauthorized opening in the protected crea was scovered. It was determined that this opening was made on 12/8/86 when th j                        .
                                                   *as removed fo: servicing.
Effect of Events The potential for undetected access to the protected area existed during the period of time the opening was without compensatory measures.
Description of Compensatory Measures Designation of Apparent Cause j
Th                        was not proper 1v identified as an area for sceurity concern.
Signs requirin                                                                            ere not in ploce.
Corrective Actions Si ns have pen          sted similar s gn w         e posted on the cover of the machine. Additiona y a notation will be made in the database of the                                .ated work em that indicates security support is needed when working on A review of other openings i                         s being conducted. These vill also be posted and where applicable notat ons will be made in the database of the automated work order system.

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                                                                              \
NORTHEAST UTILITIES l )Vl    ' cenerei o".ca seicen street. Berna. connect cut l                   . n,,   , u . .s . .<o w. . c - .
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                    #w w o..v.u v.. cm H ART F ORD. CONNECTICUT 06141-0270 (203) 665-5000 L      J   .- 4 w % . .      %. w*.~.
December 16, 1986 o
MP-9841
                                                               ,/
i Docket No. 50-245 Docket No. 50-336 Docket No. 50-423 Mr. Richard W. Starostecki, Director Division of Project and Resident Programs NRC Region i U.6. Nt clear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania                    19406

==Dear Mr. Starostecki:==

This letter forwards a report o# a security related event pursuant to the requirements of 10CFR part 73, pararraph 73.71(c).
Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY
                                                                            /9
                                                            /  St
                                                                         /
phen T. /.' cacec.2 Station Superintendent Millstone Nuclear Power Station SES/PLW:mo

==Attachment:==
Report of Security Event 86-030-00 1
cc: Director of Inspection and Enforcement U.S. Nuclear Regulatory                                                                             j Concission, Washington, D.C. 20555 i
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