The reported event was confirmed through visual inspection of the autopulse platform (sn # (b)(4).The root cause is due to a sticky encoder drive shaft.Upon visual inspection, no physical damages were observed.Noticed that the encoder drive shaft does not rotate smoothly, exhibits binding and resistance.The clutch plate was deburred to remedy the fault.During initial functional testing, the platform passed the testing without any fault / error.The archive data review showed no errors.Following the service, the autopulse was subjected to the run-in test using the 95% patient large resuscitation test fixture (lrtf) with good known test batteries until discharged without any fault or error.The brake gap inspection was performed and verified the brake gap was within the specification.Load cell characterization test was performed and confirmed both cell modules are functioning within the specification.Historical complaints were reviewed for service information related to the reported complaint and there was no previous history of complaint reported for autopulse platform with serial number (b)(4).
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