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

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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
ML20238E699
Person / Time
Site: Millstone, 05000000
Issue date: 01/29/1986
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:
References
FOIA-87-410 LER-86-003-02, LER-86-3-2, MP-8667, NUDOCS 8709150145
Download: ML20238E699 (3)
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LER-2086-003, 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
Event date:
Report date:
0002086003R00 - NRC Website
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APP 80VtD OM9 40 31so450s LICENSEE EVENT REPORT (LER) 88"

'" MfiY' stone Nuclear Power S tation Unit 1 * ' ' " *u"' ' " (3 ' ' ' "

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0151010101214 15 I IOFl 012 I Temporary Loss of Dynamic Reporting of Vital Door Activity l tytNT DAf t 'Si Lin mus.est a is) R E POR T Da f t 171 07mt e f ACitettis ewvoLveo its j MONTM OAV viA. vtAa % ", $ .' ' ' Uv"u'eN MONTa cav ytas s acu

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Patricia L. Weekley, Security Supervisor ' C o@'

203 1# 4 4:4 i - i 432 i 11 i 9 Cona6476048 Liht f oe ( ACM COMPontiuT # AILu8l DESCRittD see tM16 af po.T tt3, CAUSS SysTeu COM*0NENT [$'g[ Te n'e'[g CAvit S v 8't u cow'C%4%*

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On January 25, 1986 at a roximatel 2347 hours0.0272 days <br />0.652 hours <br />0.00388 weeks <br />8.930335e-4 months <br />, one of th l

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i ut that did not correct the oblem. I&C 1 personne were called into work an at 0025 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> on Januar 2 1 1

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LICENSEE EVENT REPORT (LER) TEXT CONTINUATION ame.i: :we wo siso-oio.

saians e r a sacs 6siv haut 14 ooCa t Y esvus t a tai gg , gyugg , ,g, pact i3r Millstone Nuclear Power Station "

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Identification of Occurrences Between Januar 25 1986 at 2347 hours0.0272 days <br />0.652 hours <br />0.00388 weeks <br />8.930335e-4 months <br /> and January 26, 1986 at 0025 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> '

malfunctioned causing a temporary loss of dynamic reporting of vital area door activity.

i Effects of Events I

January 25,1986 at 2347 hours0.0272 days <br />0.652 hours <br />0.00388 weeks <br />8.930335e-4 months <br /> until January 26,1986, at 0025 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> a temporary loss of dynamic reporting of vital area door activity was experienced.

Description of Compensatory Measures Designation of Apparent Causes l

A malfunctioned causi the stand-by battery to take over.

This cau surveillance o a assoc ate vita area doors in loop 1.

Corrective Action

1. Th by I&C personnel on the affected l

. 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> on (

Januar 26e 1986. Communication from the l ns restored at this time. j

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~ P.O. BOX 270 2,7.^.N[r).7 HARTFORD. CONNECTICU ' 06141-0270 o w w .% u u.u., w .

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January 29, 1986 MP-8667 -

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.S. Nuclear Regulatory Commission 631 Park Avenue King af Prussia, Penney 1vania 19406

Dear Mr. Starostecki:

This letter forwards a report of a security related event pursuant to the requirements of 10CFR Part 73, Paragraph 73. 71(c) .

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY t% y O /

Wayne D. Romberg' l Station Superintendent l Millstone Nuclear Power Station l l

l WDR/LE:mo j l

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Attachment:

Report of Security Event 86-003 l cc: Director of Inspection and Enforcement, U.S. Nuclear Regulatory Cce lssion, Washington, D.C. 20555 I

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