ENS Event | |
|---|---|
09:40 Oct 11, 2007 | |
| Title | Steam Leak Past a Safety Related O-Ring |
| Event Description | [This event occurred at] 10-11-07 at 0540 hrs in the X-342 - Feed Facility, Autoclave #1, approximately 40 minutes into the heating cycle (mode II) on a refeed cylinder. An operator encountered an audible steam leak past the Viton 'O' ring at the 12 o'clock position. The steam was secured and autoclave shell opened. Inspection of the Viton 'O' ring resulted in the discovery of a separation of the splice joint. A pressure decay was performed to determine if the O- ring would have performed its 'Q' function. The test failed resulting in a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> event.
The licensee has contacted the Regional NRC inspector for this facility. |
| Where | |
|---|---|
| Portsmouth Piketon, Ohio (NRC Region 2) | |
| License number: | GDP-2 |
| Reporting | |
| 10 CFR 76.120(c)(2) | |
| Time - Person (Reporting Time:+7.38 h0.308 days <br />0.0439 weeks <br />0.0101 months <br />) | |
| Opened: | Kurt Sisler 17:03 Oct 11, 2007 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Oct 11, 2007 |
| 43715 - NRC Website
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Portsmouth Gaseous Diffusion Plant with 10 CFR 76.120(c)(2) | |
WEEKMONTHYEARENS 437152007-10-11T09:40:00011 October 2007 09:40:00
[Table view]10 CFR 76.120(c)(2) Steam Leak Past a Safety Related O-Ring ENS 433032007-04-15T13:30:00015 April 2007 13:30:00 10 CFR 76.120(c)(2) Safety System Actuation - Autoclave High Condensate Level Alarm Received During Heatup ENS 422642006-01-17T13:56:00017 January 2006 13:56:00 10 CFR 76.120(c)(2) Autoclave Steam Leakage During Heating Operation 2007-04-15T13:30:00 | |