(b)(4) our manufacturing quality engineer received one (1) sample in its original unopened package from lot #0001135971 for evaluation.During visual evaluation, the quality engineer identified openings throughout the blister, therefore failure mode was confirmed.An internal review of the history files was completed for the reported lot number 0001135971, manufactured on 02-oct-2017 confirming procedural and functional requirements needed for the product to be released were met.Most probable root cause of reported failure is considered to be the package sealing stage of the manufacturing process as opportunities were found in the peel strength procedure and work instruction.We have since opened a corrective action plan to prevent this issue from recurring.The failure mode will be entered into the complaint management system and will be tracked/trended for any similar failure modes.Customer complaint trends are evaluated on a monthly basis during our quality team meeting.
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