Initial reporter: the event occurred during preventative maintenance by the medtronic field service engineer (fse) and reported by the by the fse.Device evaluation summary: medtronic conducted an investigation based upon all information received.It was reported that during maintenance testing, the pb980 ventilator's light emitting diode (led) alarm did not work.The device was available for evaluation.The service personnel (sp) inspected the ventilator and confirmed the reported issue.Opened gui (graphical user interface) screen assembly and found ui (user interface) pcba (printed circuit board assembly) to led backlight cable disconnected.The sp reconnected the cable and the ventilator passed all tests and calibrations according to the manufacturer's specifications at the time of service.The reconnection of ui pcba to led backlight cable did resolve the reported issue; however, it could not be determined how this issue occurred.The manufacturing records for each device are thoroughly reviewed prior to release to ensure that it has met all medtronic quality specifications.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
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