Product event summary: the controller dc adapter ((b)(4)) was returned for evaluation.A review of the manufacturing documentation confirmed that the associated device met all requirements for release.Various analyses were conducted and reviewed in order to evaluate the performance of the device in relation to the reported event.Failure analysis of the returned device, as well as visual evidence provided by the site, revealed that the adapter's plug components were present, but were not assembled.This observation did not allow the adapter to provide power.After the components were reassembled, the adapter performed as intended.As a result, the reported event was confirmed.The most likely root cause of the reported event can be attributed, but not limited, to an improper assembly.Investigation of this event is completed and the file will be closed.If new information is received, the file will be re-opened and a supplemental will be submitted.If information is provided in the future, a supplemental report will be issued.
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