It was reported that customer ordered material from model 2426-0007 and received a set of the model 2420-0007 inside of 2426-0007 pouch, with lot number 20046950.Customer complaint was confirmed through pictures provided by the customer and confirmation of the sample by cad sd.After a mapping process was performed and the review of the timeline, the potential root cause identified for this failure mode is material mixed in rework of packaging.The model 2426-0007 was built in the line 27 and the model 2420-0007 in the line 28.In this time the conveyors of the lines did not have guards in the connection between conveyors.Guards were placed on conveyors on june 23rd, 2020 to avoid mixed of material between lines near (qn (b)(4)), although on the shore of each side of conveyor has not guards implemented then sometimes the sets could fall from conveyors to floor and the material handler must place the set inside another pouch and made it easier for the material to be mixed.The guards on the shore of each side of the conveyors will be implemented on september 23rd, 2020 by the production/process, to prevent the parts falling from the conveyors and avoid carry out reworks during the production process.A device history record review for model 2426-0007 lot number 20046950 was performed.The search showed that a total of 34,563 units in 1 lot number was built on 29april2020.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.
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