Upon completion of the investigation it was noted that the visual evaluation of the perforator using high magnification revealed material consistent with biological residue throughout.A portion of the label appears to have been torn off; however, the lot number was clearly visible jg014s.Visual examination of the cutting surfaces did not reveal any anomalies.The cutting surfaces appeared to be sharp and free of burrs, dents or metallurgic defects such as corrosion.The customers perforator met functional test and acceptance requirements; proper engagement and disengagement was archived with every drilled hole, and there was no erratic or poor cutting action.Device history records (perforator assembly) show all tests and inspections, including a drilling test on each perforator, met specification requirements.Based on the results of this investigation no further action is required.Trends will be monitored for this and similar complaints.At the present time this complaint is closed.
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