ML18037A166: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(StriderTol Bot change)
 
(2 intermediate revisions by the same user not shown)
Line 1: Line 1:
{{Adams
#REDIRECT [[05000220/LER-1979-002-01, /01X-1 on 790306:during Refueling Outage While Preparing Emergency Condenser Steam Nozzle 5-NB for Replacement of safe-end,discovered Inconel Weld Was Removed from Nozzle.New Safe End Installed]]
| number = ML18037A166
| issue date = 04/23/1979
| title = LER 79-002/01X-1 on 790306:during Refueling Outage While Preparing Emergency Condenser Steam Nozzle 5-NB for Replacement of safe-end,discovered Inconel Weld Was Removed from Nozzle.New Safe End Installed
| author name = Jutras R
| author affiliation = NIAGARA MOHAWK POWER CORP.
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
| docket = 05000220
| license number =
| contact person =
| document report number = LER-79-002-01X, LER-79-2-1X, NMP-1112, NUDOCS 7904270382
| package number = ML17053A642
| document type = LICENSEE EVENT REPORT (SEE ALSO AO,RO), TEXT-SAFETY REPORT
| page count = 2
}}
 
=Text=
{{#Wiki_filter:U.S.NUCLEAR REGULATORY COMIEIISSION IMT REPORT (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)
NRCIEORM 366 (7.7~7'LICENSEE EVE 1.Q I Qsolol-o o o o o-o oQEA>>1>Q4~14 15 LICENSE ERIUEAIBER 25"6 LICENSE TYPE 30 57 CAT 58 CONTROL BLOCK: 1 N Y N I(I P~O 7 8 CON'T~01 9 I.ICENSEE CODE 7 8 RE~LQ Q 5 Q Q Q 2 2 Q7 Q)3 I Q 6 9 QB Q 4 2 13 7 g Q 60 61 DOCKET NUMBER 68 69 EVEEVT DATE 74 75 REPORT DATE 80 EVENT OFSCRIPTIQN AND PRQBABLE CONSEQUENCES Q10 During the refuel outa e, while re arina the emer enc condenser steam~o3 nozzle 5-NB'for the replacement of the safe end, it was determined that~o 4 the inconel weld was corn letel removed from the nozzle.This was~o 6 detemerined by a modified eddy current technique and verified by etching.~o 6 This weld removal has minimal safet im lication since the weld and~o 7 inconel is being-replaced.~OB 7 8 9 SYSTEI41 CAUSE CAUSC COI"IP.VALVE 80[OO~]7 8 CODE CODE SUBCODE Coh1PONEiNT CODE SUBCODE SUBCODE~CA Q>>~A[QE2~EQis P IE IN IE T R Q4~FQEE~K Qs 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT R EV IS I ON LF R(RO EVENT YEAR REPORT NO.CODE TYPE NO.Q17 Riios~71 9~~00 0~m~OI 1~II~~l 21 22 23 24 26 27 28 29 30 31 32 ACTION.FUTURE CFFECT SHUTDOWN ATTACHMENT NPRDK PRIME COMP.COEhIPONEP'JT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB.SUPPLIER MANUFACTURER Q18~ZQ18~CQ20~ZQ>>0 0 Ol 0 Y Q22~NQ24~NQ28 C EI I 9 0 33 34 35 36 37 40 41 42 43 44 47 CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS 27 New nickel-chrome-iron weld butter/buildup will be applied, machined, and stress relieved to the installation specification.
The the new safe end and elbow will be installed according to applicable codes.3 METHOD OF DISCOVERY~CQ31 45 NA 45~9043vo s8M NAME PF PREPARER R.sutras~4 7 8 9 FACILITY STATUS"~'0 POV(ER OTHER STATUS Q~is N Q28~OI 0 0 Q28 NA 7 8 9 10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASF AMOUNT OF ACTIVITY QS 6~ZI Q33~ZQ34 NA 7 8 9 10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7~00 0 Qsi~ZQ28 NA 7 8 9 11 12 13 PERSOiVNEL INJURIES 7 8 9 11 12 LOSS OF OR DAMAGE TO FACILITY Q43 TYPE DESCRIPTION
~ZQ42 NA 8 9 10 PUBLICITY ISSUED DESCRIPTION Q KK~N04 NA (.8 9 10 80 LOCATION OF RELEASE Q 80 80 80 80 80 NRC USE ONLY 44 48 8 PHONE'8 69 A-0 E BO o-1327=DISCOVERY DESCRIPTION Q32 NIAGARA MOHAWK POWER CORPORATION/300 ERIE BOULEVARD WEST, SYRACUSE N.Y.13202/TELEPHONE (315)474->511 Ap~23, 1979](/L.Houce, H.Nr'cc-on, Uni ed S~eh Regin.I 6"1 P Avenu.e.Kc.'(PnLIhh~, PA.E-Boche No.50-220 T-Regula o/Ly Coml!LLhhion 19406 Sea/L,%,.G/u.en.: In,~hc/Lc)cnenced Liccnhcc event Repo.t, wc h~ed~al emetcgenc!J condcl1hI>>L elba!u and ha(e-end u;o'1.tep acca ecauhe OJ ncpo/Luabfc KEnr~o]M nh (GLU!d dLL>LLng out iILhctvzcc.
L'Lhp!>c~L on.Su/Ling ghc n.>me of Che hage.-cnd,.Lt wah cKecove,tcd.th!Lt~bc incoI;eZ weld o y{bMtct)ha inadve/L>QI'Lcc.ff been J QJI;oved anom.<he QIIIQ/Lgcncy c nhe/L h,teaIII noz le.<858.Tl~wa,s de,te,oned by mo!u'.$4.ed eddy cu/Ltent Ceduu'aue and lad etc vc/u.pea by McILLng.TED!veld ove/Lay{but"Q/L)neplacement hah IILLILUnak haIIQ y mlpl L~w!lh hw!ce.thc~conel pnoccdute!L>Mch wah huccehhjaMy demonh~tated at a.Gne,LThe,/Lcpa.L/L wot(L ih being accol".paishcd zo.the 1977 ASL'.(E Code, and 2;h 1978 Swmne/L Adaenda.The, appI Lcable he~onh.,->~o, IX, and YI.The..te"au o(4!.c no-'mcXL be.pe/L(onmcd.to Che.fo&owc.na Gen~M Ele', ceduteh!a.)1g Reo!LL/Lemcl&s go/L FxeZd ItodLpcaiion o)(/ehh&ComponcIKh "21A20'2 6)Pohcy-!Geld Heat I/Lc~lclm RcaLLinemc~
~o/L S~eam OLLtfet Eme/Lgecny Condenhe/L Safe.Cnd-NEOO~23980 In a~>'Lh p o chh.d te/M,al.the appkLcablc AS((E Codch, a.(ul hcale.mo'c..up..'L;c~n u'etc'Lug, machining, and h.d'ehh/LeLLcvk 1a pnocedu/Lch u!i'll be.uhcd m cI.atc Xhc pe/L)onmancc o)iIlc pQJLhoI!net couipll!QHt and pnocehhch.
AlL, IIIGJL!w1~~dLI!g.thc moc!>up won'h beina fond Skcalll BGMQIL II~~Lc aLtho/LL.cd 4ILhpcctot-(/e/Ly 4tu="y younh, Originai'Signed by R.R.Schneidez el La', (/ice P.tchi dcl Elec,tnic PnoductLon WC.(~~Qf5 0 4~~t h}}

Latest revision as of 01:27, 7 January 2025

Redirect to:

Retrieved from "https://kanterella.com/w/index.php?title=ML18037A166&oldid=5030599"