ENS 41761: Difference between revisions
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| event date = 06/07/2005 EDT | | event date = 06/07/2005 EDT | ||
| last update date = 06/10/2005 | | last update date = 06/10/2005 | ||
| title = Part 21 Report Involving | | title = Part 21 Report Involving a Potential for Premature Failure of Control Rod Instrumentation Power Supply | ||
| event text = Ametek Solid State Controls produces AC-DC power supplies that are used at several nuclear power plants. Ametek states that its Series AC-DC power supplies may have a problem with premature failure. The specific Model Numbers affected are as follows: | | event text = Ametek Solid State Controls produces AC-DC power supplies that are used at several nuclear power plants. Ametek states that its Series AC-DC power supplies may have a problem with premature failure. The specific Model Numbers affected are as follows: | ||
85-RP1510-00 | 85-RP1510-00 | ||
85-RP4804-00 | 85-RP4804-00 | ||
85-RP4808-00 | 85-RP4808-00 | ||
85-RP DUAL- | 85-RP DUAL-4807\1 | ||
Ametek states that an intermittent loss of continuity in a magnet wire connector may cause overheating in a lug and transformer which could eventually result in a premature failure of the power supply ( within approximately two years of initial service). The problem was discovered during testing of a power supplies by Ametek. No nuclear power plants have reported any problems with the power supplies. | Ametek states that an intermittent loss of continuity in a magnet wire connector may cause overheating in a lug and transformer which could eventually result in a premature failure of the power supply ( within approximately two years of initial service). The problem was discovered during testing of a power supplies by Ametek. No nuclear power plants have reported any problems with the power supplies. | ||
Ametek states that its records indicate that these power supplies were supplied to Braidwood, Byron, and DC Cook. | Ametek states that its records indicate that these power supplies were supplied to Braidwood, Byron, and DC Cook. | ||
Latest revision as of 21:20, 1 March 2018
| Where | |
|---|---|
| Ametek Solid State Controls Columbus, Ohio (NRC Region 3) | |
| Organization: | Ametek Solid State Controls |
| Reporting | |
| 10 CFR 21.21 | |
| Time - Person (Reporting Time:+77.12 h3.213 days <br />0.459 weeks <br />0.106 months <br />) | |
| Opened: | Bob George 09:07 Jun 10, 2005 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Jun 10, 2005 |
| 41761 - NRC Website | |