The autopulse platform (s/n (b)(4)) was returned to zoll for evaluation.Investigation results as follows: device history record (dhr) was reviewed for service information related to the reported complaint and there was no previous history of complaint reported for autopulse with serial number (b)(4).Visual inspection of the returned platform was performed and found the battery compartment cover was missing and the side bumper damaged.The autopulse platform is a reusable device and was manufactured on 07/19/2004.Therefore, this type of physical damages found during visual inspection is characteristic of normal wear and tear for the life of the device a review of the archive was performed and no discrepancies were observed.During functional testing the autopulse platform passed all testing criteria.In summary the customer's reported complaint is confirmed during visual inspection.The potential root cause was attributed to the damaged battery connector which caused difficulty removing the battery after insertion.Battery connector is built onto the power distribution board.Thus replacing the power distribution board remedied the customer's complaint.After replacing all parts identified during investigation, the platform passed all final testing criteria.
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