If the information is unknown, not available or does not apply, the section/field of the form is left blank.Lot number is unknown, and therefore, dhr could not be completed.If the lot number can be confirmed, the dhr will be revisited.Visual inspection: large hexagonal screwdriver (p/n: 314.27, lot #:unk) was returned and received at us customer quality (cq).Upon visual inspection, a stain was observed on the handle of the screwdriver.There were scratches on the device but have no impact on the device functionality.No other issues were observed with the returned device.Document/specification review since the exact manufactured date of the device was not identified, the current revision of drawings were reviewed: screwdriver hexagonal.Dimensional inspection: dimensional inspection was not performed as there was no evidence of damage.Complaint confirmed? yes, foreign substance was observed on the handle of the device.Hence confirming the allegation.Investigation conclusion: the complaint condition was confirmed for the large hexagonal screwdriver (p/n: 314.27, lot #:unk).There is no indication that a design or manufacturing issue has caused the complaint condition and hence the root cause cannot be determined.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post market safety surveillance activities.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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