ENS 44592

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v t e ENS Event
06:00 Oct 15, 2008
Title	Power Supplies Manufactured with Unauthorized Capacitor Delivered to H.B. Robinson
Event Description	On October 15. 2008, Ensign Power Systems. Inc. of Loveland, Colorado informed Scientech of a defect. An internal audit had revealed that some Model 9061-01 power supplies provided to Scientech for use in their safety related line of NUSI modules had been inadvertently manufactured with an unauthorized part. The design required the use of two capacitors in the power line filter. When Ensign attempted to purchase the required parts, their supplier made an unauthorized substitution of capacitors. These capacitors are virtually identical, and the packaging was labeled with the correct Ensign Power Systems part number. Scientech immediately put a HOLD on all shipments of modules with Ensign power supplies until it could be verified that they were built using the correct parts. (Complete 10/15/08) Scientech located all Ensign power supplies in house and isolated them. (Complete 10/16/08) Scientech notified H. B. Robinson that some of the twelve modules contain power supplies with unauthorized parts. (Complete 10/16/08) Scientech is working with H. B. Robinson to replace the eight Ensign power supplies with [authorized] parts. (in progress) Scientech will return all affected power supplies to Ensign for installation of the approved components. Scientech will review the revised Ensign receipt inspection procedures to assure that they are robust enough to prevent reoccurrence.

ENS 44592 +/-
Where
Ensign Power Systems Idaho Falls, Idaho (NRC Region 4)
Organization:	Scientech
Reporting

10 CFR 21.21
Time - Person (Reporting Time:+176.83 h7.368 days <br />1.053 weeks <br />0.242 months <br />)
Opened:	Tony Gill 14:50 Oct 22, 2008
NRC Officer:	Joe O'Hara
Last Updated:	Oct 22, 2008
44592 - NRC Website
v • d • e

v t e Emergency Notification System
Ensign Power Systems with 10 CFR 21.21, Notification of failure to comply or existence of a defect and its evaluation
WEEKMONTHYEAR2008-10-15T06:00:00 [Table view]
[ENS list for Ensign Power Systems]

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