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The following information was provided by … The following information was provided by the licensee via phone or email:</br>Catawba Nuclear Station has determined that a defect associated with Love Controllers identified with Limpet supplier part number 54-834-838-8187-8160-8134-8174 is reportable under 10 CFR Part 21.</br>The subject parts were procured as commercial grade items and dedicated by Duke Energy, Inc., solely for use at Catawba Nuclear Station. Manufacturer circuit board workmanship issues associated with the Love controller resulted in a failed controller installed in Catawba's 2A1 emergency diesel generator room ventilation train and resulted in Catawba submitting licensee event report 2024-001-00. The loss of one emergency diesel room ventilation fan, under certain conditions, could cause a loss of safety function at elevated outside air temperatures and could result in a substantial safety hazard. All other Love controllers installed and in Duke Energy's warehouse were subsequently inspected for similar workmanship issues (with no issues found).</br>The NRC Senior Resident Inspector has been notified. No other nuclear plants were affected as the part has not been sold or transferred to another facility.</br>Notified by:</br>Scott Milton</br>Nuclear Support Services Manager</br>Catawba Nuclear Station</br>Desk: 803-701-3488Catawba Nuclear Station
Desk: 803-701-3488 +
05:00:00, 19 February 2025 +
57,560 +
10:50:00, 19 February 2025 +
05:00:00, 19 February 2025 +
The following information was provided by … The following information was provided by the licensee via phone or email:</br>Catawba Nuclear Station has determined that a defect associated with Love Controllers identified with Limpet supplier part number 54-834-838-8187-8160-8134-8174 is reportable under 10 CFR Part 21.</br>The subject parts were procured as commercial grade items and dedicated by Duke Energy, Inc., solely for use at Catawba Nuclear Station. Manufacturer circuit board workmanship issues associated with the Love controller resulted in a failed controller installed in Catawba's 2A1 emergency diesel generator room ventilation train and resulted in Catawba submitting licensee event report 2024-001-00. The loss of one emergency diesel room ventilation fan, under certain conditions, could cause a loss of safety function at elevated outside air temperatures and could result in a substantial safety hazard. All other Love controllers installed and in Duke Energy's warehouse were subsequently inspected for similar workmanship issues (with no issues found).</br>The NRC Senior Resident Inspector has been notified. No other nuclear plants were affected as the part has not been sold or transferred to another facility.</br>Notified by:</br>Scott Milton</br>Nuclear Support Services Manager</br>Catawba Nuclear Station</br>Desk: 803-701-3488Catawba Nuclear Station
Desk: 803-701-3488 +
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100 +
00:00:00, 19 February 2025 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
12:20:10, 21 February 2025 +
10:50:00, 19 February 2025 +
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0.243 d (5.83 hours, 0.0347 weeks, 0.00799 months) +
05:00:00, 19 February 2025 +
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