ENS 40678: Difference between revisions
Jump to navigation
Jump to search
StriderTol (talk | contribs) (Created page by program invented by Mark Hawes) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
||
| Line 16: | Line 16: | ||
| event date = 04/16/2004 EST | | event date = 04/16/2004 EST | ||
| last update date = 04/16/2004 | | last update date = 04/16/2004 | ||
| title = Part 21 Notification Due | | title = Part 21 Notification Due to Potential Cracking in B4C Hydrid Control Rods | ||
| event text = This issue concerns the potential for cracking in the tips of the Westinghouse designed B4C Hybrid Rod Cluster Control Assembly (RCCA) while in operation. Westinghouse supplied B4C Hybrid RCCAs are currently in use in the U.S. only at Tennessee Valley Authority's (TVA) Watts Bar Nuclear Plant. | | event text = This issue concerns the potential for cracking in the tips of the Westinghouse designed B4C Hybrid Rod Cluster Control Assembly (RCCA) while in operation. Westinghouse supplied B4C Hybrid RCCAs are currently in use in the U.S. only at Tennessee Valley Authority's (TVA) Watts Bar Nuclear Plant. | ||
Cracks in the hybrid RCCAs could result in a potential loss of B4C [a neutron absorber] from the RCCA if left uncorrected. | Cracks in the hybrid RCCAs could result in a potential loss of B4C [a neutron absorber] from the RCCA if left uncorrected. | ||
Latest revision as of 22:23, 1 March 2018
| Where | |
|---|---|
| Westinghouse Nuclear Services (NRC Region) | |
| Organization: | Westinghouse Nuclear Services |
| Reporting | |
| 10 CFR 21.21 | |
| Time - Person (Reporting Time:+5.23 h0.218 days <br />0.0311 weeks <br />0.00716 months <br />) | |
| Opened: | Jim Gresham 10:14 Apr 16, 2004 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Apr 16, 2004 |
| 40678 - NRC Website | |