It was reported the screw during insertion.Attempts to obtain further information and the remaining portion of the screw were made to no avail.Review of the dhr could not take place as device lot number was unknown.A review of the complaint database for the 209-20xx part family revealed six (6) complaints for screw breakage during insertion, one of which is the complaint within this report.Potential causes for screw breakage include but are not limited to inadequate design, inadequate specifications for intended use, improper material selection, and wrong screw length, size selected for intended application; however, based on the information received and the investigation performed, the root cause could not be determined.
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