The customer reported a complaint of the autopulse platform (serial # (b)(4)) was missing pixels on the liquid crystal display (lcd) and was not readable was confirmed during the functional testing.The root cause for the reported complaint was due to a defective lcd, likely attributed to normal wear and tear.The autopulse platform was manufactured in march 2016 and has reached its expected service life of 5 years.During visual inspection, unrelated to the reported complaint, noticed the front and bottom enclosures have multiple cracks in the screw well area.The observed physical damages are appeared to be the characteristics of harsh impact, likely caused by user mishandling such as a drop.The autopulse passed the initial functional test without any error.However, the lcd was observed with missing pixels, thus confirming the reported complaint.The lcd was replaced to remedy the display issue.Following service, the autopulse platform passed 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 autopulse platform passed the final testing without any fault or error.Historical complaints were reviewed for service information related to the reported complaint, and there was no similar complaint reported for autopulse platform with sn (b)(4).
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