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Final response to FOIA request.App A documents available in PDR.Apps B & C documents partially withheld (ref FOIA Exemption 4).

Accession Number: ML20238E403

Date Released: Monday, September 14, 2020

Package Contents

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• ML20244E249 - Forwards LER 86-045-00 re physical security event.Rept withheld (ref 10CFR73.21). (1 page(s), 9/8/1986)
• ML20238E678 - Partially deleted LER 86-054-00:on 861002,terminals of security data mgt sys computer became inoperable.Caused by overload of incoming alarms.Design change initiated to replace certain links of data loop communication cable. (2 page(s), 10/7/1986)
• ML20238E449 - Partially deleted LER 86-045-00:on 860903,both security data mgt sys computer terminals became inoperable.Caused by software problems.Potential correction to terminal lockup underway & software change implemeted on 860907. (3 page(s), 9/8/1986)
• ML20244E354 - Forwards LER 86-049-00 re physical security event.Encl withheld (ref 10CFR73.21). (1 page(s), 9/29/1986)
• ML20244E358 - Forwards LER 86-055-00 re physical security event.Withheld (ref 10CFR73.21). (1 page(s), 10/10/1986)
• ML20238E653 - Partially deleted LER 86-049-00:on 860924,moderate loss of physical security effectiveness occurred.Caused by computer malfunction.Different fault & modem boards installed & computer interface multiplexer board relocated. (3 page(s), 9/29/1986)
• ML20238E443 - Partially deleted LER 86-031-00:on 860610,intrusion alarm received from taut wire intrusion detection sys.Caused by procedural omission.Design change being developed to provide intrusion detection along three ft section in question. (3 page(s), 6/13/1986)
• ML20244D971 - Forwards LER 86-031-00 re physical security event.LER withheld (ref 10CFR73.21). (1 page(s), 6/13/1986)
• ML20244E360 - Forwards LER 86-054-00 re physical security event.LER withheld (ref 10CFR73.21). (1 page(s), 10/7/1986)
• ML20238E680 - Partially deleted LER 86-055-00:on 861007,major loss of physical security effectiveness during maint activities. Caused by personnel error.Personnel counseled. (2 page(s), 10/10/1986)