The autopulse platform (sn (b)(6)) failed the load cell characterization test during the preventative maintenance at zoll.The root cause of the observed failure was due to a failed load cell, likely attributed to the age of the platform, failed component(s), or mishandling such as a drop.The autopulse platform was manufactured in 2015 and is nine years old.Upon visual inspection, no physical damage was observed.During the functional testing, the autopulse platform passed the 30:2 & continuous compressions during the run-in test.The load cell characterization check revealed an under-reporting load cell.The load cell was replaced to address the observed problem.Following service, the brake gap inspection verified the brake gap was within the specification.A load cell characterization test confirmed that both cell modules function within the specification.The autopulse platform passed the run-in and final tests without fault or error.Historical complaints were reviewed for service information related to the reported complaint, and there was no previous history of complaints reported for the autopulse platform with sn (b)(6).
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