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: Difference between revisions
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{{Adams | |||
| number = ML20238E709 | |||
| issue date = 06/11/1986 | |||
| title = 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 | |||
| author name = Romberg W, Weekley P | |||
| author affiliation = NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES | |||
| addressee name = Starostecki R | |||
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) | |||
| docket = 05000000, 05000245 | |||
| license number = | |||
| contact person = | |||
| case reference number = FOIA-87-410 | |||
| document report number = LER-86-004-01, LER-86-4-1, MP-9170, NUDOCS 8709150150 | |||
| package number = ML20238E403 | |||
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT | |||
| page count = 3 | |||
}} | |||
{{LER | |||
| Title = 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 | |||
| Plant = | |||
| Reporting criterion = | |||
| Power level = | |||
| Mode = | |||
| Docket = 05000000 | |||
| LER year = 1986 | |||
| LER number = 4 | |||
| LER revision = 1 | |||
| Event date = | |||
| Report date = | |||
| ENS = | |||
| abstract = | |||
}} | |||
=text= | |||
{{#Wiki_filter:. | |||
h RC l'*n m aos e | |||
W8 NUCL6 AA AlGULATORv Cotedist70se APPA0vtD ows 40 Stetties LICENSEE EVENT REPORT (LER) 8 ' * * " 8 ' *"" | |||
'''''"WU's't one Nuclear Power S tat ion - Unit 1 0 151010[oi21415 1 !OFI ()I 2 fif Lt 448 Temporary Loss of Dynamic Reporting of Alarm Surveillance t yt NT Daf t ISI Le m huust a esi a tPomi Datt 17) oTMan sacatrTits erv0Lvto tal MONTM oav vtam vtan H,O, g ',"* | |||
"'f,$ | |||
womtw OAv vtam | |||
'aci6syv **=es DoCast Nvuttms Millstone Unit 2 ogs;o;oloi 33i i 6 0l2 0l4 86 8 l6 0l0 l4 0 l1 0l6 1l1 8 l6 Millstone Unit 3 o isio ;o i oi 4 l2 i 3 | |||
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TMis atront is sueuiTito PunsvAwT to TMs meoviatuswTs os to can g terwe eu e,-e s== w ot) | |||
== E | |||
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n ai,i e n non i n.vini 1l O 0 n owimm so ni.>m so nan:H.i i | |||
n.os wimm 3 | |||
n.mai n, | |||
.0 misim sonw>aH, | |||
oT s Mt is,uw. | |||
4., | |||
..e re u. ~nc un n m.,mim oc ni.umm m ni.nsH.ew naar 20 40sieHiHwi 60.73elGHat so 7sisiGHvistel 30 408 HIHe) e0 73m)Gilmi to 73telGHal LICENsit CONT ACT 80A TMis Lim (121 NAME YtLtPMoht hvusta Patricia L. Weekley, Security Supervisor 2l013 41414l-14131219 CowkIT104E Liht poa EACM C0wo4t8tT PalLUpt Dt0 Cal 8tD in THis Alposr? ttai CAvst SYSTEM COM*oNENT WQg8aC p { | |||
,t Cault svFTEM COM*C%ENT | |||
"* "y'," | |||
,T,8 8,L 8 a s R | |||
y g X | |||
I,A C,P,U, M, 4, 0, 3 N | |||
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i l l I I I I | |||
i 1 ! | |||
1 l 1 surettasswTat aeront Ex*Ectso ti44 ucNTw cav vtaa e | |||
zu.. u.o. | |||
( | |||
* 6 rsere re wen tsortfro susartsvos cart > | |||
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On February 4, 1986 at a roximately 1234 hours, th Both Unit 3 Security computers were halted and reb'ooted, but that di not correct the o | |||
Computer Services personnel restored th a roximately 1308 hours the erio en t e system malfunctioned compensator measures | |||
:- a | |||
~,a WILL I Al197-4,0 PDR haC Fes* see | |||
't 4)I | |||
LICENSEE EVENT REPORT (LER) TEXT CONTINUATION Anaovio m wo vw-4 > | |||
u mis av = | |||
F Acatet ? hAs. | |||
00Ca t ? WUMe t a Gi Lf R 8/UM84 A (Si Pact (* | |||
" R ' M '.' ' | |||
:- EL*J.' | |||
'saa Millstone Nuclear Power Station Unit 1 o l5 j o l0 lo l2 l 4l5 8l6 0l0l 4 0l1 0l2 0F 0l2 m,-.. %, : ma.c % 2mu., nn Identification Of Occurrence Between 1234 hours and 1308 hours on February 4, 1986 the | |||
<] | |||
Effects Of Events 1234 hours until 1308 hours on February 4, 1986 a temporary loss of dynamic reporting of alarm activity was experienced. | |||
Description Of Compensatory Measures j | |||
Designation Of Apparent Cause | |||
==Corrective Action== | |||
1. | |||
A installed. | |||
2. | |||
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. | |||
/ | |||
1 g | |||
~ | |||
/ '"*''' | |||
S* 'd'" S""' | |||
S* '"a C ""*" | |||
NORTHEAST UTILITIES | |||
(' | |||
"**". 80X 270 w m.*c'ese wewoma "*' | |||
s PO | |||
$N UNU$'/j7", *' | |||
H ARTFORD. CONNECTICUT 061410270 owm att c u a c-. | |||
(203) 666-6911 i | |||
g j | |||
.ww w wea s. m w,, ewm, j | |||
i June 11, 1986 MP-9170 4 | |||
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. | |||
20555 Tp amme******* | |||
esummesmessams** | |||
cll | |||
}} | |||
{{LER-Nav}} | |||
Latest revision as of 18:13, 22 May 2025
| Event date: | |
|---|---|
| Report date: | |
| 0001986004R01 - NRC Website | |
text
.
h RC l'*n m aos e
W8 NUCL6 AA AlGULATORv Cotedist70se APPA0vtD ows 40 Stetties LICENSEE EVENT REPORT (LER) 8 ' * * " 8 ' *""
"WU's't one Nuclear Power S tat ion - Unit 1 0 151010[oi21415 1 !OFI ()I 2 fif Lt 448 Temporary Loss of Dynamic Reporting of Alarm Surveillance t yt NT Daf t ISI Le m huust a esi a tPomi Datt 17) oTMan sacatrTits erv0Lvto tal MONTM oav vtam vtan H,O, g ',"*
"'f,$
womtw OAv vtam
'aci6syv **=es DoCast Nvuttms Millstone Unit 2 ogs;o;oloi 33i i 6 0l2 0l4 86 8 l6 0l0 l4 0 l1 0l6 1l1 8 l6 Millstone Unit 3 o isio ;o i oi 4 l2 i 3
~
p,,,,,,,,
TMis atront is sueuiTito PunsvAwT to TMs meoviatuswTs os to can g terwe eu e,-e s== w ot)
== E
- N
,o m.,
n ai,i e n non i n.vini 1l O 0 n owimm so ni.>m so nan:H.i i
n.os wimm 3
n.mai n,
.0 misim sonw>aH,
oT s Mt is,uw.
4.,
..e re u. ~nc un n m.,mim oc ni.umm m ni.nsH.ew naar 20 40sieHiHwi 60.73elGHat so 7sisiGHvistel 30 408 HIHe) e0 73m)Gilmi to 73telGHal LICENsit CONT ACT 80A TMis Lim (121 NAME YtLtPMoht hvusta Patricia L. Weekley, Security Supervisor 2l013 41414l-14131219 CowkIT104E Liht poa EACM C0wo4t8tT PalLUpt Dt0 Cal 8tD in THis Alposr? ttai CAvst SYSTEM COM*oNENT WQg8aC p {
,t Cault svFTEM COM*C%ENT
"* "y',"
,T,8 8,L 8 a s R
y g X
I,A C,P,U, M, 4, 0, 3 N
i l
i l l I I I I
i 1 !
1 l 1 surettasswTat aeront Ex*Ectso ti44 ucNTw cav vtaa e
zu.. u.o.
(
- 6 rsere re wen tsortfro susartsvos cart >
No l
l l
I a,e,a-,,,,....-......-..-.,-o.,
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
Computer Services personnel restored th a roximately 1308 hours0.0151 days <br />0.363 hours <br />0.00216 weeks <br />4.97694e-4 months <br /> the erio en t e system malfunctioned compensator measures
- - a
~,a WILL I Al197-4,0 PDR haC Fes* see
't 4)I
LICENSEE EVENT REPORT (LER) TEXT CONTINUATION Anaovio m wo vw-4 >
u mis av =
F Acatet ? hAs.
00Ca t ? WUMe t a Gi Lf R 8/UM84 A (Si Pact (*
" R ' M '.' '
- - EL*J.'
'saa Millstone Nuclear Power Station Unit 1 o l5 j o l0 lo l2 l 4l5 8l6 0l0l 4 0l1 0l2 0F 0l2 m,-.. %, : ma.c % 2mu., nn Identification Of Occurrence Between 1234 hours0.0143 days <br />0.343 hours <br />0.00204 weeks <br />4.69537e-4 months <br /> and 1308 hours0.0151 days <br />0.363 hours <br />0.00216 weeks <br />4.97694e-4 months <br /> on February 4, 1986 the
<]
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.
Description Of Compensatory Measures j
Designation Of Apparent Cause
Corrective Action
1.
A installed.
2.
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.
/
1 g
~
/ '"*
S* 'd'" S""'
S* '"a C ""*"
NORTHEAST UTILITIES
('
"**". 80X 270 w m.*c'ese wewoma "*'
s PO
$N UNU$'/j7", *'
H ARTFORD. CONNECTICUT 061410270 owm att c u a c-.
(203) 666-6911 i
g j
.ww w wea s. m w,, ewm, j
i June 11, 1986 MP-9170 4
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.
20555 Tp amme*******
esummesmessams**
cll