ML19320A168
| ML19320A168 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 08/03/1976 |
| From: | Mardis D ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19320A166 | List: |
| References | |
| NUDOCS 8004210470 | |
| Download: ML19320A168 (4) | |
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Reportabic occurrence Report No.'50-313/76-15
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Report Date: 8/3/76 3.
Occurrence Date_: 7/7/76 4.
Facility:
Arkansas Nuclear One-Unit 1 Russellville, Arkansas S.
Identification of Occurrence:
A cracked weld in the Resin Sluice line.
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Conditions Prior to Occurrence:
Steady-State Power X
Reactor Power 2414 MWth llot Standby Not Output 778 MWe i
Cold Shutdown Percent of Full Power 94
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Refueling Shutdown Load Changes During Routinc Power Operation i
Routine Startup i.
Operation Routine Shutdown j
Operation i
Other (s'pecify) i 7.
Description of Occurrence:
A leak was discovered at 0830 hrs. on 7/7/76 in the heat effected
- one of valve CZ-65 (Resin Sluice Water to Spent-Resin Storage Tank).
The crack was approximately two inches long around the upstream weld j
of CZ-65.
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!! arch 23,1976 NSP-10, Rev. 4 -
Page 2 of 4 8004210fpO
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- Reportablu Occurrence !!cport No. 50-313/76-15 6
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Designation of Apparent Cause ol]k currence:
g Design l'rocedure Flanufacture Unusunt' Service Condition Including Environmental Installation /
'X Construction Component Failure Operator 4
Other (specify) i i
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Analysis of Occurrenec:
i' Due to location, all leakage was confined to the Reactor Auxiliary building and therefore presents no danger to the health and safety of the public.
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Reportable Occurrence Report ilo.
50-313/76-15 1
- 10. Corrective Action:
1 The defective weld was removed by cutting out the piping and replacing with a 3'-0" section of Schedule.10 piping.
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Failurc Data:
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