ML111661518

LER 81-013/03L-0:on 810422,during Facility Shutdown for Leak Rate Test,Investigation Revealed Cracked Root Weld on Vent Valve of Containment Sump B to RHR Pump 1B Piping.Caused by Sharp Blow of Unknown Origin.Repair Scheduled

ML111661518
Person / Time
Site:	Kewaunee
Issue date:	05/22/1981
From:	Smoker C Wisconsin Public Service Corp
To:	NRC/OI/RGN-III/FO
Shared Package
ML111661519	List: ML111661518
References
LER-81-013-03L, LER-81-13-3L, NUDOCS 8105270287
Download: ML111661518 (1)

Text

REGULATORY NFORMATION DISTRIBUTION SYA M (RIDS)

ACCESSION NBR:8105270287 DOC.DATE: 81/05/22 NOTARIZED: NO DOCKET # I' FACIL:50-305 Kewaunee Nuclear Power Plant, Wisconsin Public Servic 05000305 AUTH.NAME AUTHOR AFFILIATION SMOKER,C.S. Wisconsin Public Service Corp.

RECIPNAME RECIPIENT AFFILIATION Region 3,Chicaqo, Office of the Director

SUBJECT:

LER 81-013/03L*O:on 810422,during facility shutdown for leak rate testinvestigation revealed cracked root weld on vent valve of containment sump B to RHR pump 18 piping.Caused by sharp blow of unknown origin.Repair scheduled.

DISTRIBUTION CODE: A002S COPIES RECEIVED:LTR 4 ENCL SI0ZE:003 TITLEV;Incident Reports NOTES:I&E:3 copies all material.' 05000305 RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL ACTION: VARGA,S, 04 3 3 INTERNAL: A/D COMP&STRU06 A/D ENV TECH 07 A/D MATL & QU08 A/D OP REACT009 A/D PLANT SYS10 A/D RAD PROT 11 A/D SFTY ASSE12 ACC EVAL BR 14 AEOD AEOD/DMU ASLBP/JHARD AUX SYS BR 15 CHEM ENG BR 16 CONT SYS BR 17 CORE PERF BR 18 DIR,ENGINEERI20 DIR,HUM FAC S21 DIR,SYS INTEG22 EFF TR SYS BR23 EQUIP QUAL BR25 GEOSCIENCES 26 I&C SYS BR 29 I&E 05 JORDAN,E./IE LIC GUID BR 30 MATL ENG BR 32 MECH ENG BR 33 NRC PDR 02 OR ASSESS BR 35 POWER SYS BR 36 RAD ASSESS 8R39 REACT SYS BR 40

. 01 REL & RISK A 41 SF ROGEA2 STRUCT ENG BR44 EXTERNAL: ACRS 46 16 16 INPO,J.STEARNS 1 1 LPDR 03 1 1 NSIC 05 1 1 MAY 2 9 1981 TOTAL NUMBER OF COPIES REQUIRED: LTTR ENCL fi-f 1-4~~

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