05000327/LER-1980-141-01, /01T-0:on 800829,while in Mode 5,pinhole Leak Was Discovered in Rod travel-housing Latch Housing Interface Seal Weld on Control Rod Drive Mechanism C-11.Cause Not Stated.Fault to Be Ground Out & Weld Repaired

/01T-0:on 800829,while in Mode 5,pinhole Leak Was Discovered in Rod travel-housing Latch Housing Interface Seal Weld on Control Rod Drive Mechanism C-11.Cause Not Stated.Fault to Be Ground Out & Weld Repaired

ML19332B019
Person / Time
Site:	Sequoyah
Issue date:	09/11/1980
From:	William Williams TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19332B014	List: 05000327/LER-1980-141, Forwards LER 80-141/01T-0 05000327/LER-1980-141-01, /01T-0:on 800829,while in Mode 5,pinhole Leak Was Discovered in Rod travel-housing Latch Housing Interface Seal Weld on Control Rod Drive Mechanism C-11.Cause Not Stated.Fault to Be Ground Out & Weld Repaired
References
LER-80-141-01T, LER-80-141-1T, NUDOCS 8009190511
Download: ML19332B019 (1)

LER-1980-141, /01T-0:on 800829,while in Mode 5,pinhole Leak Was Discovered in Rod travel-housing Latch Housing Interface Seal Weld on Control Rod Drive Mechanism C-11.Cause Not Stated.Fault to Be Ground Out & Weld Repaired

Event date:
Report date:
3271980141R01 - NRC Website

text

...

r n.

~

r.

+

t

~

hpC FoMat 346

.A.S.NUCtEAM IIECULATORY COMuissioti LICENSEE EVENT REPORT EXHIBIT A centact ste <: l l"l I I I'!@

- getsAss ening on type Att nacuinto enronuAtions.

i e

Ioeill TIN l SIN lPl1!@l0f0l-IOl010l0101-1OIOl@l4I1!1f111l@lu c... @

l l 8

6.a acua

.. a wa se aw..a ay a w. w,,,, a

,,,,,% Ef@l0 f 510 ! O 10131217 @l 0 l 8f 219 I 810 @l nf o ! il 1 I al e, !@.

Io i 6 e

a ou.., =w.

a es ave =r o.re e.

is an.oa r o.u. '

'.4 avcut caseniericN 4=o paosasta consecuCNCf 3 h C

Uu.1j f en A oust 29. 19Ro. th41a in meAa 5.

a p4-hela 1ank w;is discovered in f

I the rod travel housing-latch houcir.; interface seal weld on CRDM C-ll.

I e.3 2,

There was no effect upon public health'or safety. Previous gi m Ioccurrences none.

I

+

Io u l I f

ic6 1l i

12,41 f I

s ee 82

$$ c 04

' C0 t

$6sc 4 Coveo w.TCODE sus ce

.I cf A l@ LB_JO LB.J@ l ClP l D f R l VI E!@ y@ W @

toio!

si u

2 i,

u dvtNivf.R.

Stout.vti.L CCCuteINCE ptPo#7 84 V'o@.

S mere 4Y ha CC;f T788

. O,",ti e.og I8 I of l :-J. I 1 !4 11 i M

LQILJ LI.J L. -J LQ.) -

h.

,ji,j;'

_m.

u n

s.

u u

u u

u 2

u l

M'.'N ".TrYl.!

of','s.!r

'"TSE

'E.*.*."r'i13'

,2.l""u'. ' T.'.5i%'

,JI7I!r'St.

f0 f 0lo @I oI 'l.jij @ L.ri JO L.,N. J@ [W.112 i Ol@

ouas l

ht.J@L21@ [2.j@ LIJ@

u u

u v

CAust ctsensertCN ANo CORRICflV8 ACTIONS 27.

' 1 *. a f l The ' f ault will be m o' tad e' t ** vd teld rArmi nd.

I i.

l L2uJl L:

EGI i

ii!2' I t

I6 ?* I)

{

i.Yws growtA ofwf a status cisEovav

. ossCovgriv essemietsome h

' Ii !s i LG.J@ lo I o lo f@l NA l [B,J@l Opera u observation

-}

' - '.C rivi r, esn toe.,,ew...., @

. ow, og.eriv.rv @.

l*'nILZ_.J@oeeasu.r

- ae s e..c u

tz_J@f

^

l I

• *a I-n.so '.1... d.'. -

~

a a

I 070 l'0 l@@@l "'"'"'*i:[ -

[

o.,o..r ar..,.m C...r.ose

~

. 8. 'I n f n i n l@!

un

[

e u

.o 1o. a l i i H W@;,og.,C,e r,o n.c urf g _

l NA-

.l PUM cCo r v

'O et$wgn,00 Clue 1* ore *%

j NRC USI 084tY

- 1.* t I !,,,NjQi,1 NA g ggg:,g,,,99,[-

aa

'L. O. Williams 615-842-6967-

..mavacrencenavn L

c r

D**D D b 18 0 091 g o$lf