05000263/LER-1982-013, Updated LER 82-013/01T-3:on 820928,1020,31 & 1102,during Preparation for Repair of E,C & F safe-ends,thru Wall Leaks Found on Each safe-end.Caused by Intergranular Stress Corrosion Cracking.Defects Repaired

Updated LER 82-013/01T-3:on 820928,1020,31 & 1102,during Preparation for Repair of E,C & F safe-ends,thru Wall Leaks Found on Each safe-end.Caused by Intergranular Stress Corrosion Cracking.Defects Repaired

ML20070C827
Person / Time
Site:	Monticello
Issue date:	12/06/1982
From:	Hammer S NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20070C796	List: 05000263/LER-1982-013, Updated LER 82-013/01T-3:on 820928,1020,31 & 1102,during Preparation for Repair of E,C & F safe-ends,thru Wall Leaks Found on Each safe-end.Caused by Intergranular Stress Corrosion Cracking.Defects Repaired
References
LER-82-013-01T, LER-82-13-1T, NUDOCS 8212140357
Download: ML20070C827 (1)

LER-2082-013, Updated LER 82-013/01T-3:on 820928,1020,31 & 1102,during Preparation for Repair of E,C & F safe-ends,thru Wall Leaks Found on Each safe-end.Caused by Intergranular Stress Corrosion Cracking.Defects Repaired

Event date:
Report date:
2632082013R00 - NRC Website

text

,

=-c eur.i na UPDATE REPORT - IAST REPORT DATED 110982 t

'. ~

s.nuctras nceutarcitv c: uis:sev 1.lCENSEE EVENT REPORT cosimot stoco l I I I I I l

.@ tetaAss entar on tvet 4LL ascuenta ir4ronwarioN lc cevr l l $11

. , uctsa, NIM u;.. l.N l P i. is il l@l 010 uct.n l- e ssa J O 101010 al Oucmaroi 23 l- l0101@l ao 411111111 o c-2 a

! Ig lo s r)8 7

,7,3 ll_@l065I s l o oOCEST til 1010121613J@l1 .##Ste +4 H 11 1012 LbtNTDalg I 8 I 2'i@lib 1121016 I 812 l@

sa ag7GnfOAI( 4J Evest erscasettore suo paesaste coNstouructs I a . : # I On 9/28/82 during ISI an 11 oer cen@t thru wall indication was found i 6 ioi3i i recirculation loon 22 inch end can. On 10/9/82 indications were found on C, E, r io ,4 i I and F safe end to nine welds and the D riser elbow. On 10/20/82, 10/31/62, and I o , s I i 11/2/82 during orenaration for repair of the E, C, and F safe ends, resnectively,  ;

t e is i ! thru wall leaks were found on each safe end. Additional through wall lealc found g Io6i1111/22/82 on G pipe to elbow weld during hydrostatic test. Refer to NSP reports .g i a i 51 es{,, dated 11/22/82 and 12/3/82 for details. No effect on public health an_d safety. 1

'clEt 'c'e'$a' sN$$r coe,ouaNTecoc

~

li191 U ' ME'e s

7 4 9 i C l B l@ [E,_j@ [C_J @ IP I I l P l E IX ll X to E l l@

@ [_Z,J s'EcEo's @

is 12 33 1 1a 19 20 StevfNTrat OccunofNCE RtroRT t tvtNTvtAR RE*oR T No. CODE RE V'StoN TYPE

@ ,"(j'e ,h*;e 3 I8 l2 I l-l 1011l31 I/l 10 11 l No.

,,,, 2 8 27 23 2 ;6 27 [T_J l-l [3_J 28 29 30 38 22 Tan ' AC 0 C PLA T 'E 64oup$ 1 e of Fom s. ,,L g[ uag$[acTt,,ngn L.EJSlc_.l@ LC.J@ LZ.J@ l 01010 l 0 i LN,,,J@ [Yj@

as u as a s> <a i I approximately 3/16 inch. Repair areas were ground flush after welding and 5 i,i i i penetrant tested prior to overlaying the defect area. i as STA  % Powf R 01"8' STATUS ois o R OtScovf Rv CESCRiPTroN -

15 15

'

• I lH l@ l 01010l@) '* "

N/A, l -[,,_j@l Inservice Insnet. tion I

,0. <i T v co'37:sf " ** "* "

.itsaste es =etene l5 161

' ' ' W @ W@l N/A Acousf os acTmTv "

l @ N/Al tociTiov or astrass @

I et.:o. ..'ii ,,,csU.ts 1

so ,. Tv,.

m:... Tic ~ @

l l' i l ?' l'101010 l@l Z l@l N/A

" I i er.wssa'.s,.'is s "

Nuass a ett:mievicsh l

1: t-llOl01Ol@[

N/A i

' sa T '.'i"' *"o c"s'c'l.',Vio',, '"'" @

lil91 (Z.j @l N/A

, . . .. l t$$ D$ $C aspisoN ITA 4Ldut81 News media infonned of cracks on 10/21/82  :

8 9 to e.4 1IIIIIIIIIIii!

f.9 80 g wave or ear,Antn Steve Hamer ,,,oy g . @NW 8212140357 821206 {

PDR ADOCK 05000263 S PDR

. _ -.. - - - - - . . - - - . _ _ _ - . - . . . , - - . - - - - _ . . - - , _ - . - - __ ____. . - - . . . . - _ - - ,