(b)(4).A vyaire field service representative (fsr) went onsite to evaluate the customer's device.The fsr replaced the display printed circuit board, main board and tubing.User verification tests and calibrations were performed on the device.The device did not pass all tests and did not meet manufacturing specifications.It was determined that turbine should be replaced.If additional information is received or a final evaluation is performed, then a supplemental report will be submitted.
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Additional field service findings have been added.A vyaire field service representative (fsr) went onsite to evaluate the customer's device.The fsr was able to confirmed the circuit disconnect, transducer fault, and low peak inspiratory pressure alarms at the time of the event.The fsr noted there was no ventilator inoperable alarms and the following setting were used on a patient: prvc a/c, rate 12, volume 450 ml, insp time 09.Seconds, peep 5, flow trig 2, and o2 100%.The fsr determined the most likely cause of the issue is the main printed circuit board assembly.The fsr replaced the main pcba, turbine, tubing, muffler, base, and exhalation valve assembly.The fsr performed the opertaional verification procedure and reported the device meets factory specifications.
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