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The manufacturer previously received information alleging an issue related to a cpap device's sound abatement foam.There was no allegation of harm or injury.This issue was reported to the fda per 21 cfr 806.The device will be corrected per res 88058.In the initial report, section a1, a2, a3 were not marked, and section e1 was incorrect.The device was returned to the manufacturer's product investigation laboratory for investigation.An external and internal visual inspection of device, and humidifier were completed by the manufacturer and found evidence of dust/dirt contamination at the air inlet, iso port, on the front and back panel, motor casing/impellers, and blower box was inconsistent with degraded sound abatement foam, contamination throughout the airpath.Mineral spots consistent with water ingress on the blower box and motor casing, slight black contamination at the blower seal of the blower box appears consistent with the keratin contamination, dust/dirt contamination within the humidifier unit, on the iso port, within the dry box and dry box assembly, on the dry box seal, and on the edge of the heater plate, mineral spots within the humidifier unit on the dry box seal and heater plate.The manufacturer found no evidence of sound abatement foam degradation.Pil confirmed that the heater plate and the heater tube heats using a known good power supply.The device's downloaded event log was reviewed by the manufacturer and found 2 instances of e-130, e-200 and e-4, 4 instances of e-53 and 2 instances of stop error e-200.The manufacturer concludes the contaminates found were consistent with dust/dirt contamination within the humidifier unit, on the iso port, within the dry box and dry box assembly, on the dry box seal, and on the edge of the heater plate, mineral spots within the humidifier unit on the dry box seal and heater plate, contamination throughout the airpath.Mineral spots with water ingress on the blower box and motor casing, slight black contamination at the blower seal of the blower box appears with the keratin contamination.The manufacturer confirmed there was no evidence of sound abatement foam degradation.In this report, section a1, a2, a3, d9, d10, e1, g3, h6 have been updated/corrected.
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