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Additional information - this emdr is being submitted to include the below: d4: unique identifier (udi).H6: investigation results under imdrf cause investigation code, imdrf investigation findings, imdrf cause conclusions.H10: investigation summary.Batch record review: lot 9k02323 was manufactured on 10/18/2019 in the convex 2-piece (pc) (ost) line, with a total of (b)(4) market units produced.Compliance engineer performed a batch record review on 09/apr/2020 to verify if all the applicable procedures were followed and no issues were found; all the components for assembly were correct per bill of materials (bom), under international commodity code (icc) code 413178, system application product (sap) material id (b)(4) and manufacturing order (b)(4).The process carried out was run according to process instruction (pi) pi21-108 and documented in mr21-108.In addition, the bulk lot 9k02329 was reviewed, manufactured in the convex 2-piece (pc) (ost) line and the process carried out, toolings used and in-process quality inspections were found to process instruction (pi) pi21-107; the process results were documented in mr21-107.The batch record review carried out supports that there were no discrepancies related to the reported defect.Returned sample evaluation: no photograph, video or sample was received for evaluation.Investigation summary v.Investigation conclusion: material, method/process, manpower and measurement sections were reviewed, and it is considered none of them interfered on the incidence of the root cause, also, these sections and possible opportunities were previously covered.Based on the investigation findings through revision of the batch records documentation, process observation, personnel interviewed, methodology implemented, the root cause for this failure mode was identified as machine.As observed during this investigation the contributor factors to this failure mode were the following: a) condition of the yamaha arm.B) condition of vision system cameras.C) variance in the materials, cause variation in the placement.This is causing the overall variation 0.6.This accumulation of variation causes the complaint in section 1.To maintain acceptable levels of variation the maintenance for the arm will be improved.And base on the rate of complaints and the variation identify, codes with a rate higher than 10 complaints per million will be block and manufactured on the improve convex 2-piece (pc) in building 8a.Actions for these causes identified were taken through corrective action / preventive actions (capa) plan.The investigation associated with related event has been approved and is complete.No additional action is required, and this complaint will be closed.This issue will be monitored through the post market product monitoring review process.To date no additional information has been received.Should additional information become available, a follow-up report will be submitted.Fda registration number reporting site: 1049092.Manufacturing site: 9618003.
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