ML18024B173

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 DOCKET FACIL:50-259 Browns Ferry Nuclear Power Stat ioni Unit 1 i Tennessee o5000259 AUT, 5

0 29

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ABEHCHOMBIE<H~ L REC IP ~ iuAME Browns Ferry Nuclear Po~er Stations Unit 2~ Tennessee Browns Ferry iuuclear Power Stations Unit 3i Tennessee AUTHOR lennessee AFFILIATION Valley Authority RECIPIENT AFFILIATION V

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 TllLE: Incident Reports J ENCL + SIZE:

NOfES.

REC IP lENT COPIES RE C I P I EN 1'O COPIES ID CODE/NAME LTTR EN CODE/NAME LTlH ENCL AcfroN: o5 Bc C)R 8 <Z 4 lNTERNAL: 0 IL O2 NRC PDH 1 09 IKE 11 MPA 14 fA/EDU 15 NO% AK/hiuIEL 1 16 EEd 17 AD FOR ENGR 1 18 PLANT SYS BR 19 14C SYS BR 1

?0 AD PLANf SYS 22 RE AC SAF I BH 1 23 EiuGR BH 24 KHEGER 1 25 PAR SYS BR 2e AD/SITE ANAL 1 27 OPERA LIC BR 28 ACDENr A iLVS )l,i,"

29 AUX SYS BH E JORDAN/IE 1, HANAUERgS ~ STS GROUP LEADR ,1 Till-8 S fHEE f EXTEHrv'AL: o3 LPOR 1 04 NSIC 1 1 29 ACRS 16 1 6

TOTAL NUMBER OF COPIES REQUIRED: LTTH 48 ENCL

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ECOPY 10 RRC 4/2e/VS ~4>>g ~pro U. S. thclear Regukato~

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'oi@epics XX KsrSetta Street,'uite At'Kant+, Georgia 30393 3100

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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

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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.

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~~8. h. Abercrombie 1

4 4 ~~a S. I. O'RUE C. M. UPRIGNI' Umber 2')ant Superintendent

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D CHENDEMl Szcnnxs Ferry Ruc)ear plant W. B. KDUCL K j. UING f, g, ]NURPIC.-

$ , 7, SUTHOUBS I

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