(b)(4).The scalp clip was returned for evaluation: dhr - no anomalies were recorded in the dhr record.Failure analysis - the returned unit does not work as intended, a hair was observed within the blister packaging.The complaint could be verified through failure analysis root cause - the complaint was confirmed in the complaint investigation, the hair within the packaging was confirmed.A 6m root cause analysis was performed, and the following areas were examined: man, method, machine, materials, measures and mother nature.Upon examination of those areas, it is determined that the root cause likely lies within ¿man¿.The operators manually place the units within the blister packaging, then they are loaded into the machine that seals the packaging.Operators are required to wear hair nets and gown in the environment where the packaging takes place.Failure analyst states that the hair found appears to be one which would be contained by a hair net.The operator(s) will be retrained on the procedure.
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