ML19320A241
| ML19320A241 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 09/03/1976 |
| From: | Cook R ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19320A230 | List: |
| References | |
| NUDOCS 8004210535 | |
| Download: ML19320A241 (4) | |
Text
..,.
coNinOt StoCxC, 'I I
I I
I tetrase aamr au. acuma meomno=3 o "'~"
8 w
w~'
i Nid'IllKIl l IOIOI-lOlOIOlOIO H olol 141IIlIlIli 10131 m,Ns, Nuu.
/
14 15 25 26 30 31 32 17pf Ng
- tacon, occut? Nuwerm tytNT catt atponf g!]coNTI I
I LL_]
LL_j lOI5101-I01311131 10181I10!7161 10191015Af716 I 7 8 57 58 59 60 61 88 69 74 7S 80 EVENT DESCRIPTION n IA o;&l leak was discovered ;w i.ke beaf.affeded zone dwelds al ike 1
89 7
@ loultet of Y straine, and inlet of C 2 413.downdream et TIS B C B' Radwade 1 7 89 koR sodt3/Wo-15. Leakage was coJn,d E 13em;~ralirevl This is similar to 80
.I 7 89 i to A%. L%. } Jew,,,uo..t n;p;, was ;.,42itea. (5o-3i3 /76 2.0 80 o
1 7 89
~
~
80 7 89 c
- pau, 80
$$a e
coupoNENr coc(
MANLW R
VOLATON IMI AI Leet.] IPillPIElXIXl LZ_]
171alalai Lhl]
o bN t E DESCRIPTION h l No dekerM'maktow Ak kh;T b5Me. No hatard to keallL ov sa eh of 1.ke polic.
a I
7 89 l Affected phiwq was rev\\ae.e4.
8 80 os I
7 89 io l l
'#E' "o'M%!
l s,owia s,Aius LC1 1010101 I NA
,N -
I Lbj i
wA oecovta,oisca,ro~
it 1
I 7 8 9
10 12 13 44 45 46 80 teJI's?o c
~ U 11J e, b sel M EouN, o, Aci~,,,
l l NA l
.tocarou o, acu se i7 7 8 9
10 11 44 45 PERSONNEL EXPOSUAES 80 NUMOE A fvF otsCa*fnN 13 1010101 L7=1 NA i
7 89 11 12 13 80 Nuuht etcN 8 1010101 l
WA I.
7 89 11 12 80 0FFSITE CONSEQUENCES is I MA
'l 7 89 LOSS OR DAMAGE TO FACruTY P
f7 NQ' p
]
e,p onscaerom j
@ {Zj l
NA O
u d.;
a
[-
d i 7 89 10 80 PUBLICITY i
l b1A I
7 89 80 ITIONAL FACTOAq NA i
I i 7 89 UO I
'8 0 0 4 210 53f in l..-
umE T&od Cook mouc (SolWi-4299 t
l l
cro ass.ses
1 t
m 1.
Reportabic Occurrence Iteport the. 50-313/76-21 2.
Report Date:
9/3/76 3.
Occurrence Daje:
8/10/76 4
Facility: Arkansas Nuclear One-Unit 1 Russellville, Arkansas 5.
Identification of Occurrenec:
A pinhole leak found on outlet of B radwaste demineralizer.
t 6.
Conditions Prior to Occurrence:
Steady-State Power _,
Reactor Power 0
NWth liut Standby Not Output 0
Mwe Cold Shutdown X
Pcrecnt of Full Power ' 0 Refueling Shutdown Load Changes During~ Routine Power Operation Routine Startup Operation Routine Shutdown Operation Other (specify) 7.
Description of Occurrence:
e A pinhole-Icak was discovered 8/10/76 at 1430 hrs. in the heat affected zone of welds at outlet of Y strainer and inlet of CZ41B; downstream of T158.
D**}D 9 'D %~
o f d k c W Ju s
t Attachuent "C" l
March 23, 1976 NSp-lo, Rev. 4 Page 2 of 4 l
m-
-,g,.-------n y-gw w
-w---e----
4
!(eportshic occurrence 1:cport No. 50-313/76-21 o.
8.
Designation of Apparent Cause or Occierrenec:
Design Procedurc Manufacture Unusual Service Condition including Environmental
~
Installation /
Construction Component Failure Operator
~
Otlier (specify)
X
'Ihe cause is not known at this time.
4 i.
9.
Analysis of Occurrence:
o Due to location all leakage was confined to Aux. Building and thus presents no' danger to the health and safety of the public.
d 4
i
%Y Attnehmesit "C" Ma rch 23,1976 NSP-10, llev. 4 Page 3 Of 4
.o
--.4 e.-
w
~
Reportable Occurrence !!cport 110.50-313/76-21.
10.
Corrective Action:
The affected piping has been removed and replaced with new sectica of schedule 10 piping.
4 i
c
.t.
11.
Failiere Data:
i o
Similar to 50-313/76-15.
i 1
1 D
At tacInnent "(:"
March 23,1976 NSP-10, Itev. 4 l'nge 4 or 4 e
,. +
.-.,_....-r.
__-,y--.~
e
,,w,