05000259/LER-1981-037-01, During Ultrasonic Testing,Indication Confirmed on Vessel Side of Reactor Water Cleanup Sys Inboard Primary Containment Isolation Valve. Cause Unknown.Gate Valve Replaced
| ML20010B917 | |
| Person / Time | |
|---|---|
| Site: |  |
| Issue date: | 08/11/1981 |
| From: | Holder G TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20010B914 | List: |
| References | |
| LER-81-037-01X, LER-81-37-1X, NUDOCS 8108180477 | |
| Download: ML20010B917 (1) | |
| Event date: | |
|---|---|
| Report date: | |
| 2591981037R01 - NRC Website | |
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EVENT OESCRIPTION ANO PROBABLE CONSEQUENCES h Lo_RJ l Durine refueling outage, reactor water cleanup system inboard primary containment i
An indication was l o l 3 l l isolation valve 69-1 was ultrasonically inspected on 6/21/81.
I o I 41 I observed on the vessel side of the valve weld.
(T.S. 3.6.G)
A subsequent radio-l l o l <> l l graph showed no indications. On 6/24/81 a UT inspection by a level II inspector g
There was no danger to the health or safety of the public. g 1016 ] l confirmed an indication.
O 7 l Previous similar event: BFRO-50-259/80004.
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