IR 05000260/1980025

RO-BFRO-50-260/8025:on 800617,Dresser Industries Safety Valves Identified as Possibly Having Guides W/Cracks. Condition Identified in Similar Valves Loaned to Another Util from Browns Ferry.Cause Unknown

ML18025A951
Person / Time
Site:	Browns Ferry
Issue date:	06/17/1980
From:	ABERCROMBIE H TENNESSEE VALLEY AUTHORITY
To:
References
NUDOCS 8007110291
Download: ML18025A951 (3)

Text

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIOS)ACCESSIO~NBR:8007110291 DOC~DATE: 80/06/17 NOTARIZED'O FAClL:50-259 Br owns Ferry Nuclear'ower Stat i one Unit 1 r Tennessee rowns Ferry Nuclear Power Stationr Unit 2s Tennessee 50-296 rowns Ferry Nuclear Power Station<Unit 3r Tennessee A;StkA"1-AUTHOR AFFILIATION RCROMSIErH

~Tennessee Va11ey Authority RFCIP~NAME REC IP IKNT AFFILIATION DOCKET 05000259 05000260 05000296

SUBJECT: RO-BFRO 50-260/8025:on S00617soresser Industries safety valves identified as possib'ly having guides w/cracks'ondition identified in similar valves loaned to uti 1 from Sl owns Fer ry,Cause unknowns OISTRISUTION CODE:<0020 COPIES RECEIVED:LTR g ENCI.TITLE: Incident Re@or ts NOTES: another SIZE:~IN TERNAL: A/0 COMPSSTRUCT A/0 ENV TECH A/0 LICENSING A/0 OP REACTORS a/0 RAO PROT A/0 TECHISOLOGY AEOD CHEM ENG BR CORE PERF BR'IRRHUM FAC SFY DIRE SYS INTKG EI~ERG PREP EQUIP QUAL BR GEOSC IENCES HYO/GEO BR 18K 09 LIC GUID BR MATL ENG BR MOORKEV~NRC POR OR ASSESS RR PPAS AA HR REACT SYS BR REL 8 RISK A BR SIT ANAL BR SYS INTERAC SR 02 RECIPIENT ID CODE/NA~E ACTroi~: BC)PIC f 7 Or 705 COPIES LTTR ENC 1 1 1 1 1 1 1 1 10 10 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 RECIPIENT IO COOK/NAi<E PM~gag,g,&06 A/0 CORE 8 CS A/0 GEN PROJ A/D MATI.8 QUAL A/D PLANT SYS A/0 SFTY ASSESS ACC EVAL SR AUX SYS SR CONT SYS BR DIRE ENGINEERING 0 IR R SFTY TECH EFF TR SYS BR ENV ENG BR GEN ISSUES BR HUM FACT KNG BR I8C SYS BR JORDAN,E,/IE LIC QUAL BR MECH EiuG t3R MPA 11 OP EX KVA1 BR PO'E'ER SYS BR PROC/TST REV BR SS BR 01 SFTY PROG KVAL STRUCT ENG SR TE'RA:DOUG MAY COPIES LTTR ENCL 2 1 1-1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 1'1 1 1 1 uL 24 1S80 EXTKR,uAL:

ACRS VSIC 04 16 1 LPOR 03 TOTAL NUI4BER OF COP IES REQUIRED: LTTR B9 ENCL

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'afe Ey valves eamafaetaied hy iraeaer Inchaetiiek iii j hairc jui4ci with cxacTmi This condition has Scca tdcatifie4 ia Ibad,vhlvca.Xaaue4 to navahos uti21cy'.-'f~Bro=~c Fairj maclipii'leai Prelia&uiiy'ngineer~

ivaluatkoa ha8 IhenL that the guide is a eanpressura-bouadry cgapoaea and thus il not necessary ta E91intaSJx the Qttegrit:y of Che yxQmry cyy+gg gylg~gvaIuation aLso indicates'N)interference atty traXve operetta A~eront Cause of Occurrence Unknow at this tXme~l 4 CQ-rCCtiVB ActiQG Tats'Z'bknn84 Spare vnlvea on hand xiii bo ckiaaeeeMIe4~

iaspeCted~

ia4 correcte4 as neaasaa~Replacmsnc of vaKves yxesentfy in use oa units X axu%5 mal be perfmmed b<oe<-.oa racmmendations free Omssar, Xadhat~i,'...

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