(b)(4).Maquet provides product failure investigation, analysis and resolution for the device described in this report.A maquet service technician evaluated the device and confirmed the ticking noise when the head was running at low rpm (between 50 and 70 rpm).The device was disassembled and the top belt appeared to be frayed.The pump was returned to the repair depot to have the belts replaced and the head alignment checked.A loaner pump was provided.A supplemental medwatch will be submitted when additional information becomes available.
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