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The suspect pump was returned for evaluation.The event history log (ehl) was reviewed, and an error 41622, alarm was identified.A review of 12-month service history performed, and no relevant findings were identified.Visual inspection and functional testing were performed.The customer-reported issue was confirmed through functional testing.The cause of the reported issue was determined to be a malfunctioning cam flex sensor, cam flex bracket.Upon further investigation, found dso seal delaminated.Replaced dso seal.Performed dso/uso sensor calibration.
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