(b)(4).The usage of the device in the reported event is unknown.A visual, functional, and dimensional inspection of the device involved in the complaint could not be conducted since the device was not returned at the time of this report.Device history record investigation did not show issues related to complaint.A record assessment (fmea) was conducted and no changes required.Corrective actions cannot be established since it is necessary to receive the physical sample to perform a proper investigation and confirm the alleged defect.Customer complaint cannot be confirmed due the device sample not being returned.If the alleged device sample is received at a later date, this complaint will be updated accordingly.
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(b)(4).The sample was returned for evaluation.A visual exam was performed and it was observed that the upper and lower housing were damaged.Functional testing was also performed and the unit passed the tests.The unit heated up on minimum, medium, and maximum temperature settings.Based on the investigation performed, the reported complaint could not be confirmed.The unit passed all functional testing.In addition, all units are 100% tested at the manufacturing facility; therefore, a defect of this type would be detected prior to release.
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