05000263/LER-1980-015-01, /01T-0:on 800317,during Refueling Outage & Insp Required by IE Bulletin 79-01B,unqualified Splices Found in Power Cables for Inboard MSIV Solenoid Valves.Cause Not Stated.Splices Replaced W/Qualified Matls

/01T-0:on 800317,during Refueling Outage & Insp Required by IE Bulletin 79-01B,unqualified Splices Found in Power Cables for Inboard MSIV Solenoid Valves.Cause Not Stated.Splices Replaced W/Qualified Matls

ML112900680
Person / Time
Site:	Monticello
Issue date:	03/27/1980
From:	Hammer M Northern States Power Co
To:	NRC/OI/RGN-III/FO
Shared Package
ML112900681	List: 05000263/LER-1980-015, Forwards LER 80-015/01T-0 05000263/LER-1980-015-01, /01T-0:on 800317,during Refueling Outage & Insp Required by IE Bulletin 79-01B,unqualified Splices Found in Power Cables for Inboard MSIV Solenoid Valves.Cause Not Stated.Splices Replaced W/Qualified Matls
References
IEB-79-01B, IEB-79-1B, LER-80-015-01T, LER-80-15-1T, NUDOCS 8004010455
Download: ML112900680 (3)

LER-1980-015, /01T-0:on 800317,during Refueling Outage & Insp Required by IE Bulletin 79-01B,unqualified Splices Found in Power Cables for Inboard MSIV Solenoid Valves.Cause Not Stated.Splices Replaced W/Qualified Matls

Event date:
Report date:
2631980015R01 - NRC Website

text

REGULATORY *FORMATION DISTRIBUTION SY,M (RIDS)

ACCESSION NBR:8004010455 DOC,DATE: 80/03/27 NOTARIZED: NO DOCKET #

FACIL:S0-263 Monticello Nuclear Generating Plant, Northern States 05000263 AUTH.NAME AUTHOR AFFILIATION HAMMERMF.

Northern States Power Co.

RECIPNAME RECIPIENT AFFILIATION Region 3, Chicago, Office of the Director SUBJECT: LER 80*015/01T-0:on 800317,during refueling outage & insp required by IE Bulletin 79-01Bunqualified splices found in power cables for inboard MSIV solenoid valvesCause not stated.Splices replaced w/qualified matis.

DISTRIBUTION CODE: A002S COPIES RECEIVED:LTR -

ENCL, TITLE: Incident Reports SIZE: APO- /

NOTES: -----------------------

RECIPIENT ID CODE/NAME ACTION:

05 BC 0a INTERNAL:m 14 TA/EDO 16 EEO 18 PLANT SYS BR 20 AD PLANT SYS 23 ENGR BR 25 POR SYS BR 27 OPERA LIC BR 29 AUX SYS BR AEOD HANAUER,S, JORDANE./IE COPIES LTTR ENCL 4

4 1

12 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 RECIPIENT ID CODE/NAME 02 NRC PDR 11 MPA 15 NOVAK/KNIEL 17 AD FOR ENGR 19 T&C SYS BR 22 REAC SAFT BR 24 KREGER 26 AD/SITE ANAL 28 ACDENT ANLYS AD/0RP-DOR DOUG MAY*TERA IRELANDR.

COPIES LTTR ENCL 1

3 1

1 1

1 1

1 1

1 3

1 3

1 1

1 1

1 1

1 1

3 EXTERNAL:

03 LPDR 29 ACRS 1

16 1

16 04 NSIC 1

1 LJ~L~

If TOTAL NUMBER OF COPIES REQUIRED: LTTR 52 ENCL 52

NORTHERN STATES POWER COMPANY MINNEAPOLIS. MINNESOTA 55401 March 27, 1980 Mr J G Keppler Office of Inspection &

U S Nuclear Regulatory 799 Roosevelt Road Glen Ellyn, IL 60137 Enforcement Commission

Dear Mr Keppler:

MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Unqualified Splices Found in MSIV Control Cables The Licensee Event Report for this occurrence is reproduced on the back of this letter. Enclosed are three copies.

This event is reported in compliance with Technical Specification 6.7.B.l.iin that a condition was discovered which was contrary to the design requirements contained in the Final Safety Analysis Report.

Yours very truly, L 0 Mayer, PE Manager of Nuclear Support Services LOM/DMM/ak cc: Hisector, IE, USNRC (40)

Director, MIPC, USNRC (3)

MPCA Attn:

J W Ferman

- over-

- 5 80040 1 o52i 4

NRC FORM 366 (7-77)

[E]L 7

8 CON'T 7

8 FOT27)

E5 5

(17771 U. S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK:

I G (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

2 1 0 10 1 -iOIIOI 1 0 10 1 010 10 1-10 0IO L L4_1__I111111@1OWjG)

N I NI mI NI Pl 110lo.1loloollollo j@ 411 110 9

LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 R C JO 15 101010121 61 31(10 13 11171 gi0 'I 01 31 21 71 81 01 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES I DURING A REFUELING CUTAGE, WHILE CONDUCTING AN INSPECTION REQUIRED BY IE I BULLETIN 79-01B, UNQUALIFIED SPLICES WERE DISCOVERED IN THE POWER CABLES FOR THE I INBOARD MSIV SOLENOID VALVES, SPLICES LOCATED IN JUNCTION BOXES BETWEEN THE I SOLENOID VALVES AND THE ELECTRICAL PENETRATION. NO EFFECT ON SAFETY SINCE I CATTATT ITATITICZ fPT p.A(T7TT TO rTAC MTTT AMT DfTITTTAhF ATITAAPTT ?iATc 1ATFP l 1fl I Il~P3 7

8 9 80 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE EID3 L@

L..

1.cJ@ I z I z I z1 zIz Iz I Iz I aL j 7

8 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER/RO EVENT YEAR REPORT NO.

CODE TYPE NO.

REPOR 1

[-- 0 1 1

".-j [0 '11[-

0 NUMBER

. L~J 10 1115 1~

011 LiJ L=J L2J 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER L..JL z @I IL@0 LU@

1o of o o1011L L..J.O@

L.UJ3 LzJ@

I zi 19 19 l@

33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS SITHE SPLICES WERE REPLACED USING QUALIFIED MATERIALS.

THER JUNCTION BOXES FOR [TD 71IEQUIPMENT REQUIRED TO FUNCTION IN A LOCA ENVIRONMENT WERE INSPECTED.

NO ADDITIONAI4

[ T)1 I UNQUALIFIED SPLICES WERE DISCOVERED.

7 89 80 FACILITY METHOD OF STATUS

%POWER OTHERSTATUS DISCOVERY DISCOVERY DESCRIPTION 11 LH G 101 01 01L1 N

j§JI INSPECTION 7

8 9

10 12 13 44 45 46 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY @

NA O

EI[D IJ @5 L.JG I NA II NAO 7

8 9

10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

10 10 10

(

Z I

N 7

8 9

11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTION4 1 10 lo 10 NA 1

7 8

9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE

DESCRIPTION

TIaAiGI NA 1

7 8

9 10 80 PUBLICITY NRC USE ONLY ISSUED

DESCRIPTION

(IIII I

1NA_

7 8

9 10 6869 80 NAME OF PREPARER 61H/295-er PH(

8004010 8