ENS 56196

v t e ENS Event
05:00 Oct 31, 2022
Title	Part 21 Report - Sola / HEVI-DUTY Uninterruptible Power Supply OUT-OF-SPECIFICATION
Event Description	The following is a synopsis of information provided by Nutherm International via fax: Nutherm was notified by the customer that a Sola / Hevi-Duty uninterruptible power supply provided under an Exelon purchase order did not power up properly. The unit was returned to Nutherm for failure analysis. Inspection of the internals showed damage to transistors. When energized, the output was out of specification. This UPS had been supplied for use at Clinton Power Station. No other units are impacted by this defect or failure to comply. This issue has been identified as a single failure on this component only. This issue will not impact any future procurements.

ENS 56196 +/-
Where
Nutherm International, Inc. Mount Vernon, Illinois (NRC Region 3)
Organization:	Nutherm International, Inc.
Reporting

10 CFR 21.21(d)(3)(i), Failure to Comply or Defect
Time - Person (Reporting Time:+34.55 h1.44 days <br />0.206 weeks <br />0.0473 months <br />)
Opened:	Thomas Sterbis 15:33 Nov 1, 2022
NRC Officer:	Donald Norwood
Last Updated:	Nov 1, 2022
56196 - NRC Website
v • d • e

v t e Emergency Notification System
Nutherm International, Inc. with 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect
WEEKMONTHYEAR2022-10-31T05:00:00 [Table view]
[ENS list for Nutherm International, Inc.]

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