The customer was sent a replacement power supply.The customer returned the power adapter for evaluation.The product evaluation found the power supply housing to be breached.The issue with a damaged rev n power supply for the pump in style device was addressed in investigation (b)(4), which was trended as part of the effectiveness check for (b)(4), which found that the power supplies were being damaged during shipment from the manufacturer to medela.As a part of routine continuous improvement activities, the rev n power supply was replaced with a rev p power supply, manufactured under a revised design and by a different manufacturer.
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