ML17252B483

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LER 76-022-00 for Dresden, Unit 3 Re During Prerequisite Testing for Refueling Outage LPCI Logic Surveillance, DPIS 261-34A Failed to Trip
ML17252B483
Person / Time
Site: Dresden Constellation icon.png
Issue date: 10/28/1976
From: Stephenson B
Commonwealth Edison Co
To: James Keppler
NRC/RGN-III
References
BBS LTR 76-756 LER 76-022-00
Download: ML17252B483 (2)


Text

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' Commonw. Edison Dresden Nucle ower Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920 BBS Ltr, 1176-756 October 28, 1976 Mr, James G. Keppler, Regional Director Directorate of Regulatory Operations - Region III U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 Enclosed please fing Reportable Occurrence report number 50-249/1976-22.

This report is being submitted to your office in accordance with the Dresden Nuclear Power Station Technical Specifications, Section 6.6.B.

B. B. Stephenson Station Superintendent Dresden Nuclear Power Station BBS :jo Enclosure cc: Director of Inspection & Enforcement Direc*t0r of Managment Information & Program Control File/NRC NOY 2 1976

  • LICENSEE E\* C:NT REPORT-*

c9NrnoL BLoc.K:I 1

.:1, I I I I 6

I. [PLEASE PRINT ALL REQUIRED INFORMATION)

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

@E] IIl.LIDIRIS!31 10101-10101010101-10101 IJ-/ I I 11 11 , , I IQl31 7 8 9 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE. SOURCE DOCKET NUMBER EVENT DATE REPORT DATE

@El CON'T I I I lbJ LhJ IOl5lol~IOl~l4 lg I IOlqlJ.14l 171'91 II IOl;(.1~17101 7 8 57 58 59 ' 60 61 68 69 74 75 80 EVENT DESCRIPTION

[fil?] l'DURIN& 'PRER£QUISAT£. TESTING- FOR A R£E4.JE.b.ING- OUTAG- J..PCI 1-0GIC I 7 8 9 80 10131 lsu1:!VEfLl-ANCE' DPIS  ;).bl-~4A FAILED TO TRIP. IHIS SWITCH /$ ON£' o~ I 7 . 8 9 ' I -* ,_ --- _ . 80 lol418 7

1£ouR

  • 1.NSIBUVV1£NTS 9 ' '

WHICH* moN1ToR TffE R£C./ R<<: LDO'P ,: HEA DER-;_PR£SSuRe:;I

' - - 80

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SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VIOLATION

@El IIIBI [gJ IIINISl'1"1RIUJ lHJ IBIOl8 IOI47 lYJ 7 8 9 10 11 ' 12 17 43 44.' 48 CAUSE DESCRIPTION lol0I I £X.Am1NAllON oF 7H£ SWITCH INTER../IJALS R£vEAL£I> THlt[ TH£ (YlfCRP

$WtlcHI 80 7 8 9

~ I iiCTUfilJN<Y ARl'YI Hfl D ;JAmmED IHE. RoLJ..ER CAM, Pr<E.V£.NTJNG: SWITCH OP£R:.. I 7 8 9 80

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7 , 8'9 ATED; Ai_=rHZIU&H ~i_YYJjUirsw:i-rtHts

'.FACILITY ... METHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EEJ l!::!J' 101010 I NA lliJ NA I.

7 8 9 *.10 12 13 44 45 46 80 FORM OF ACTIVITY CONTENT 7

rn 8 RELEASED l~J 9

OF RELEASE IZJ 10 l....___

11 AMOUNT OF ACTIVITY

__._N-"--A""----_ __,I44 45 Nil LOCATION OF* RELEASE

'80 J

PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION .

[Ip] 1010101 l£J _;VA .

7 9, g, '1 12 13 ' 80 PERS'ONNEL . INJURIES NUMBER *DESCRIPTION. /",

EE) IOlololl ~~~---'/lf,~A-,--~~~~~~~~--~~~~~~~~~

7 8 9' 11 12 80

  • OFFSITE CONSEQUENCES

~ It 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION 13E.~

7 8 9 I Nit 80 10 PUBLICITY EI?J .AJA 80 7 8 9 ADDITIONAL FACTORS CAUSE DESGf/5 ':Ul-~4A 15 A 8ARION vY10D£J..., ;l.W; RANG£: 0-4 Ps1D.I

', ' 80 NAME: /ERRANC£ £. /..,ANG- PHONE: C><T. 433 GPO 881

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