IR 05000259/1979032

RO-50-259/79-32:on 791128,during Insp of Restraints,Typical Hanger Identified as Possibly Unacceptable.Caused by Possible Misapplication of Hanger.Insp & Analyses Will Be Conducted to Determine Effect on Sys

ML18024B173
Person / Time
Site:	Browns Ferry
Issue date:	11/29/1979
From:	Abercrombie H TENNESSEE VALLEY AUTHORITY
To:
References
NUDOCS 7912130438
Download: ML18024B173 (3)

Text

REGULATORY'ORMATION DISTRIBUTION SY'M (RIDS)ACCESSION NBR:7912130438 DOC~DATE: 79/11/29 NOTARIZED:

NO FACIL:50-259 Browns Ferry Nuclear Power Stat ioni Unit 1 i Tennessee 5 Browns Ferry Nuclear Po~er Stations Unit 2~Tennessee 0 29 Browns Ferry iuuclear Power Stations Unit 3i Tennessee AUT,~AUTHOR AFFILIATION V ABEHCHOMBIE<H

~L lennessee Valley Authority REC IP~iuAME RECIPIENT AFFILIATION DOCKET o5000259 osooo260 05000296 SUBJECT: RO 50 259/79 32:on 791128rduring insp of restraintsi typical hanger identified as possibly unacceptable.Causea oy possible misapplication of hanger.lnsp 8 analyses will be conducted to determine effect on sys~DISTRIBUTION CODE: AO02S COPIES RECEIVED:LTR J ENCL+SIZE: TllLE: Incident Reports NOfES.REC IP lENT ID CODE/NAME AcfroN: o5 Bc C)R 8<Z lNTERNAL: 0 IL 09 IKE 14 fA/EDU 16 EEd-18 PLANT SYS BR?0 AD PLANf SYS 23 EiuGR BH 25 PAR SYS BR 27 OPERA LIC BR 29 AUX SYS BH HANAUERgS~Till-8 S fHEE f EXTEHrv'AL:

o3 LPOR 29 ACRS COPIES LTTR EN 4 1 16 1 RE C I P I EN 1'O CODE/NAME O2 NRC PDH 11 MPA 15 NO%AK/hiuIEL 17 AD FOR ENGR 19 14C SYS BR 22 RE AC SAF I BH 24 KHEGER 2e AD/SITE ANAL 28 ACDENr A iLVS E JORDAN/IE STS GROUP LEADR 04 NSIC COPIES LTlH ENCL 1 1 1 1 1 1 1)l,i," 1,,1 1 1 6 TOTAL NUMBER OF COPIES REQUIRED: LTTH 48 ENCL

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-.J'-~.-ECOPY 10 RRC 4/2e/VS I<<'I~a-~we~4>>g~pro II U.S.thclear Regukato~Coaaaissken

@epics XX'oi KsrSetta Street,'uite 3100 , At'Kant+, Georgia 30393 USNR8 R"~i-'.'bTLAHTA.0=."-..""-'~-;s vov z9~t t:.ZO mao-50-259/7982

/Re@or~under Xechnica)Speci X9.cat%on 6.7.'2.a.(9$

Oste oE occurrence:

)1128179 Thae of occurrence:

2:45 p.nL Units i, 2, 3 Techak eel Speeif ication invo3ve6: net epp1kcable

/Condkcione prior to Occurrence; Reetxaknts vere being Xnxpectob in accordance sir'n D Bulletin 79-14 Unit)vms in normal operation ae, R~Oi$2$e.Unkt 2 seas Ka normal operation at),09$8Vei Qnit 3 vms shut deva for e xefuekins outage~/II t Xdentfffcation and Desert tton o8 Occurrence:

h typical huger has been 9deqtfXiad that aalu, not be acceptable for its appNeation.

4 l A great Cause of Occurrence:

Wssib1e misapptkcatken eR e typical hanger-V 4 Other Rekated Events: Sane Corrective Action Taken oz Plann&.Inspections

+$5%begin imnedistelw to locate such txyical,%angers and ana)ysi.s performed to 6oteMne>+ether oz not: system function may be affected.Pi'~/k" (<<>>1~~8.h.Abercrombie Umber 2')ant Superintendent Szcnnxs Ferry Ruc)ear plant 4~" 4 S.I.O'RUE~~a C.M.UPRIGNI'D CHENDEMl W.B.KDUCL K j.UING f, g,]NURPIC.-$, 7, SUTHOUBS[L I CL585<<g 4 4 I/4".4*4 A4%A444P 4 4 4 4~or<<o