Investigation summary: no samples or pictures were received.Additional attempts to get more information or pictures were made, however in none of the cases additional information were provided.Dhr/ncmr review: dhr review process was not performed since the lot number was unknown.A review of the ncmr¿s was performed; the result showed there were no issues reported like trolley defective (wire gone slack) for the same part number throughout the last twelve months.According with this investigation there is no enough information available to perform an exhaustive investigation due to no samples or pictures were provided in this complaint, as part of this investigation it was reviewed the customer complaint records; according with the cc¿s records, three additional complaints were received throughout the last twelve months for the same part number and issue however, in none of the cases, evidence was received.Additionally, the complaint record says that the wire was damaged; however, more information is needed like how long the trolley has it been in use, the sample or lot number in order to rule out that the damage was caused due to normal use (long time in use (worn-out)).As part of the current manufacturing process controls, a 100% inspection is performed by production department on each trolley for all functional and visual characteristics; additionally, a second inspection is performed by quality inspector based on an aql sampling plan.Conclusion: based on information provided it was not possible determine the root cause like a failure mode related to the manufacturing process since there is not enough information related to this failure mode, the current process controls were reviewed in order to rule out that this failure mode is being omitted during the manufacturing process, the result showed that this fail can be detected in the functional test.
|