Investigation summary: nine (9) 3/10cc, 8mm, 30g syringes were returned in open poly bags from lot # 7044865.Customer states that there is discoloration inside the syringes.All returned syringes were examined under the microscope and all exhibited smeared ink on the surface of the barrel.No discoloration was observed inside the barrel.Capa (b)(4) was initiated to address such issues at this time.As per manufacturing, a review of the device history record was completed for batch # 7044865 all inspections were performed per the applicable operations qc specifications.Based on the samples / photo(s) received the investigation concluded: confirmed: bd was able to duplicate or confirm the customer¿s indicated failure.Investigation conclusion: possible root cause is attributed to pad swelling on the mandrill during the printing process.As the pads are used, they gradually swell and can cause this type of "smear" or "smudge affect.A problem solving team has been tasked with improving print quality on all production lines within the plant.The team is systematically assessing and addressing each printer individually for improvements.Capa (b)(4) was initiated to address such issues at this time.
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