05000000/LER-1986-004-01, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause

Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause

ML20238E709
Person / Time
Site:	05000000, Millstone
Issue date:	06/11/1986
From:	Romberg W, Weekley P NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	Starostecki R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20238E403	List: 05000000/LER-1986-001, Partially Deleted LER 86-001-00:on 860105,loss of Dynamic Reporting of Vital Door Activity Occurred.Cause & Corrective Action Completely Deleted 05000000/LER-1986-002, Partially Deleted LER 86-002-00:on 860117,loss of Alarm Surveillance on Doors Occurred.Caused by Erroneously Listing Officer as Being Posted on Door 398.Processing of Rev to Physical Security Plan Initiated 05000000/LER-1986-003, Partially Deleted LER 86-003-00:on 860125,loss of Dynamic Reporting of Vital Area Door Activity Occurred.Caused by Equipment Malfunction.Corrective Action Withheld 05000000/LER-1986-004, Partially Deleted LER 86-004-00:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Caused by Malfunction.Computer Svcs Personnel Will Monitor Sys for Indicators as to Cause 05000000/LER-1986-004-01, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause 05000000/LER-1986-007, Partially Deleted LER 86-007-00:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable During Heavy Rain.Situation Will Be Evaluated for Addl Action 05000000/LER-1986-007-01, Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design Corrected 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 05000000/LER-1986-012, Partially Deleted LER 86-012-00:on 860412,breach Discovered in Protected Area Barrier.Caused by Personnel Error. Personnel Counseled 05000000/LER-1986-013, Partially Deleted LER 86-013-00:on 860414,vital Area Door W/O Alarm Capability Discovered.Caused by Personnel Error. Personnel Removed from Shift & Vital Area Checked for Unauthorized Personnel W/None Being Found 05000000/LER-1986-014, Partially Deleted LER 86-014-00:on 860421,bomb Threat Received by Security Officer in Security Assembly Room. Cause Not Applicable.Actions Taken to Minimize Station Threat & Investigation Underway 05000000/LER-1986-015, Partially Deleted LER 86-015-00:on 860428,stationary Side of Door Failed to Alarm When Tested.Cause Withheld.Alarm Repaired 05000000/LER-1986-016, Partially Deleted LER 86-016-00:on 860501,vital Area Door Discovered W/O Alarm Capabilities.Caused by Access Control Security Officer Asleep at Post.Determination to Suspend or Discontinue Employment Being Made 05000000/LER-1986-020, Partially Deleted LER 86-020-00:on 860812,security Sys Experienced Loss of Power.Caused Withheld.Numerous Failures Experienced Until Machine a Designated as Prime.Procedures to Reboot Computers Revised 05000000/LER-1986-021, Partially Deleted LER 86-021-00:on 860911,vital Area Doors Failed to Alarm When Tested During Surveillance.Caused by Failure to Report Door Transactions to Host Computer.Central Procesing Unit Board Replaced 05000000/LER-1986-022, Partially Deleted LER 86-022-00:on 861018,determined That Vital Area Door Card Reader Would Grant Unauthorized Access to Area.Caused by Technician Incorrectly Programming Card Reader.Card Reader Replaced & Tested 05000000/LER-1986-022-01, Partially Deleted LER 86-022-01:on 861018,determined That Card Reader at Vital Area Door Would Grant Unauthorized Access.Caused by Technicial Incorrectly Programming Card Readers.Card Reader Replaced & Tested 05000000/LER-1986-022-02, Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper Operation 05000000/LER-1986-023-01, Partially Deleted LER 86-023-01:on 861023,unauthorized Access Into Vital Area Door Discovered.Caused by Card Reader Malfunction.Malfunctioning Card Reader Replaced.Cause Still Under Investigation 05000000/LER-1986-024, Partially Deleted LER 86-024-00:on 861113,attempted Introduction of Unauthorized Weapon Into Protected Area Discovered.Caused by Personnel Attempt to Enter Plant W/ Concealed Gun.Personnel Denied Facility Access 05000000/LER-1986-026, Partially Deleted LER 86-026-00:on 861124,vital Area Door Discovered W/O Alarm Capability.Caused by Personnel Error. Secutiry Officer in Question Terminated & Function of Administrative Sergeant Reviewed 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 05000000/LER-1986-031, Forwards LER 86-031-00 Re Physical Security Event.Ler Withheld (Ref 10CFR73.21) 05000000/LER-1986-045, Forwards LER 86-045-00 Re Physical Security Event.Rept Withheld (Ref 10CFR73.21) 05000000/LER-1986-049, Forwards LER 86-049-00 Re Physical Security Event.Encl Withheld (Ref 10CFR73.21) 05000000/LER-1986-054, Forwards LER 86-054-00 Re Physical Security Event.Ler Withheld (Ref 10CFR73.21) 05000000/LER-1986-055, Forwards LER 86-055-00 Re Physical Security Event.Withheld (Ref 10CFR73.21) IA-87-410, Final Response to FOIA Request.App a Documents Available in Pdr.Apps B & C Documents Partially Withheld (Ref FOIA Exemption 4) ML20238E402
References
FOIA-87-410 LER-86-004-01, LER-86-4-1, MP-9170, NUDOCS 8709150150
Download: ML20238E709 (3)

LER-1986-004, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause

Event date:
Report date:
0001986004R01 - NRC Website

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On February 4, 1986 at a roximately 1234 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.69537e-4 months <br />, th Both Unit 3 Security computers were halted and reb'ooted, but that di not correct the o

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Effects Of Events 1234 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.69537e-4 months <br /> until 1308 hours0.0151 days <br />0.363 hours <br />0.00216 weeks <br />4.97694e-4 months <br /> on February 4, 1986 a temporary loss of dynamic reporting of alarm activity was experienced.

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During a reboot of the system pertinent data necessary to diagnose the v6s lost. Computer Services personnel will continue to monitor t or indicators as to the cause of the problem.

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Docket No. 50-245 Docket No. 50-336 Docket No. 50-423 Mr. Richard W. Starostecki, Director Division of Project and hesident Programs NRC Region I U.S. Nuclear Regulatory Commission 631 Park Avenue King of frussia, Pennsylvania 19406

Dear Mr. Starostecki:

This letter forwards an updated report of a security related event pursuant to the requirements of 10CFR part 73, paragraph 73.7)(c).

Very truly yours, i

NORTHEAST NUCLEAR ENERGY COMPANY 0f Wayne D. Ro rg Station Super endent Millstone Nuclear Power Station WDR/LPB:mo

Attachment:

Report of Security Event 86-004-01 cc: Director of Inspection and Enforcement U.S. Nuclear Regulatory Commission, Washington, D.C.

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