This event has been recorded by zimmer biomet under (b)(4).The device history record (dhr) and previous repair report reviewed noted no related non-conformances, requests for deviation, change notices or any other issues with manufacturing or with the device.The dhr and previous repair report review also found that all verifications, inspections and tests were successfully completed.On (b)(6) 2019, it was reported that the device needed for repair/service.The customer returned an air dermatome device, serial number (b)(4), for evaluation.The customer also returned a hose and 1 inch /2 inch /3 inch /4 inch width plates, for evaluation.Product review of the air dermatome by zimmer biomet (b)(6) on (b)(6) 2019 revealed that the 2 inch and 3 inch width plates had nick marks on them.The hose that was returned with the device was non-zimmer biomet.Product review of the air dermatome by zimmer biomet (b)(6) on (b)(6) 2019 revealed that the calibration was out of specifications at all settings.The motor speed was below specifications and the control bar was in the correct position.Repair of the air dermatome was performed by zimmer biomet (b)(6) on (b)(6) 2019 which included replacement of the motor, bearings, o-ring, seal, reciprocating arm, external e-ring, hose, 2 inch, and 3 inch width plates.Air dermatome, serial number (b)(4), was then tested and functioned properly.It was repaired, inspected and tested.The root cause of the reported event cannot be specifically determined with the provided information because it is unknown which exact failure found was causing the unit to not operate properly for the customer.It was found during evaluation that the device was out of calibration at all settings, the motor speed was below specification, the hose was non-zimmer biomet, and the 2 and 3 inch width plates were damaged.All of these failures found could have contributed to the customer reporting that the unit was not operating properly but it is unknown what exact failure the customer was experiencing.The device was noted to be functioning as intended after the motor, bearings, o-ring, seal, reciprocating arm, external e-ring, hose, 2 inch, and 3 inch width plates were replaced and the unit was re-calibrated.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.
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